HIKVISION

DS -1471ZJ -155 -Y  Pendant Mount    Feature   Adopts waterproof design  Dimension 565  mm  (22  .24  ")  Φ 150 mm (5.91")  121.2 mm (4.77")  121  .2   mm  (4  .77  ")  4-Φ 8.5 mm (0.33")  83.5 mm (3.29")  46 mm  (1.81")  83  .5   mm  (3  .29  ")  6-M4 depth 8 mm  (0.31")      Available Model  DS -1471ZJ-155-Y  Parameter  Model    Parameters    DS -1471ZJ-155-Y  Pendant Mount  Appearance Hikvision White  Material ADC12  Dimension Φ 155 mm x 565 mm (Φ 6.1 " x 22.24 ")  Weight Approx. 650 g ( 1.4 lb.)  No te   The mount should be installed on a flat surface.   The waterproof rubber is necessary for the outdoor application.   The wall should be capable of supporting at least 3 times as much as the total weight of the camera, and the mount.   The maximum load capacity of the mount is 3 kg (6.6 lb.)....

Warning! Product withdrawn from production!

Warranty: 36 mon.

Datasheet 

©2006 – 2014 by HIKVISION. All rights reserved.  1  DS-2CD2120F-I(W)(S)      Key Features   Up to 2 megapixel (1920 x 1080) resolution   Standard video compression with high compression ratio, ROI (region of interest) encoding   Progressive scan CMOS, capture motion video without incised margin   Support dual stream, and the sub-stream for mobile surveillance   High-performance and long service life Infrared LED, Approx. 10 to 30 meters IR range   Two-way audio(-S)   Audio I/O(-S)   Support Wi-Fi(-W)   IR cut filter with auto switch   PoE (Power over Ethernet)   Built-in Micro SD/SDHC/SDXC card slot, up to 64 GB   Ingress Protection level: IP66   Impact Protection: IEC60068-2-75 test, Eh, 20J; EN50102, up to IK10   Other functions: rotate mode, alarm, mirror, reset button, etc   Support smart function: Intrusion detection and line crossing detection   Support VCA, which is compatible with NVR for the second time of video searching and analysing  Specification   Model  Parameter  DS-2CD2120F-I(W)(S)  2 Megapixel CMOS Vandal-proof Network Dome Camera  Camera  Image Sensor 1/2.8" Progressive Scan CMOS  Min. Illumination 0.01Lux @ (F1....

Warning! Product withdrawn from production!

Warranty: 36 mon.

Datasheet 

©2006 – 2014 by HIKVISION. All rights reserved.  1  DS-2CD2120F-I(W)(S)      Key Features   Up to 2 megapixel (1920 x 1080) resolution   Standard video compression with high compression ratio, ROI (region of interest) encoding   Progressive scan CMOS, capture motion video without incised margin   Support dual stream, and the sub-stream for mobile surveillance   High-performance and long service life Infrared LED, Approx. 10 to 30 meters IR range   Two-way audio(-S)   Audio I/O(-S)   Support Wi-Fi(-W)   IR cut filter with auto switch   PoE (Power over Ethernet)   Built-in Micro SD/SDHC/SDXC card slot, up to 64 GB   Ingress Protection level: IP66   Impact Protection: IEC60068-2-75 test, Eh, 20J; EN50102, up to IK10   Other functions: rotate mode, alarm, mirror, reset button, etc   Support smart function: Intrusion detection and line crossing detection   Support VCA, which is compatible with NVR for the second time of video searching and analysing  Specification   Model  Parameter  DS-2CD2120F-I(W)(S)  2 Megapixel CMOS Vandal-proof Network Dome Camera  Camera  Image Sensor 1/2.8" Progressive Scan CMOS  Min. Illumination 0.01Lux @ (F1....

Warning! Product withdrawn from production!

Warranty: 36 mon.

Datasheet 

©2006 – 2014 by HIKVISION. All rights reserved.  1  DS-2CD2120F-I(W)(S)      Key Features   Up to 2 megapixel (1920 x 1080) resolution   Standard video compression with high compression ratio, ROI (region of interest) encoding   Progressive scan CMOS, capture motion video without incised margin   Support dual stream, and the sub-stream for mobile surveillance   High-performance and long service life Infrared LED, Approx. 10 to 30 meters IR range   Two-way audio(-S)   Audio I/O(-S)   Support Wi-Fi(-W)   IR cut filter with auto switch   PoE (Power over Ethernet)   Built-in Micro SD/SDHC/SDXC card slot, up to 64 GB   Ingress Protection level: IP66   Impact Protection: IEC60068-2-75 test, Eh, 20J; EN50102, up to IK10   Other functions: rotate mode, alarm, mirror, reset button, etc   Support smart function: Intrusion detection and line crossing detection   Support VCA, which is compatible with NVR for the second time of video searching and analysing  Specification   Model  Parameter  DS-2CD2120F-I(W)(S)  2 Megapixel CMOS Vandal-proof Network Dome Camera  Camera  Image Sensor 1/2.8" Progressive Scan CMOS  Min. Illumination 0.01Lux @ (F1....

Warning! Product withdrawn from production!

Warranty: 36 mon.

Datasheet 

DS-2CE56H1T-IT3Z  5 MP HD Motorized VF EXIR Turret Camera    * 5 megapixel high-performance CMOS  * HD analog output, up to 5 MP resolution  * 2.8 mm to 12 mm motorized vari-focal lens  * True Day/Night  * OSD menu, DNR, Smart IR  * EXIR technology, up to 40 m IR distance  * IP67  * Up the Coax (HIKVISION-C)    Key Features                      Specifications          Camera  Image Sensor 5 MP CMOS image sensor  Effective Pixels 2642 (H) x 1956 (V)  Min. illumination Color: 0.01 Lux @ (F1.2, AGC ON), 0 Lux with IR  Shutter Time  PAL: 1/25 s to 1/50,000 s  NTSC: 1/30 s to 1/50,000 s  Lens Motorized VF lens; 2.8 to 12 mm  Horizontal Field of View 27.7° to 86.8° (2.8 to 12 mm)  Lens Mount φ14  Day & Night ICR  Angle Adjustment Pan: 0° to 360°; Tilt: 0° to 75°; Rotate: 0° to 360°  Synchronization Internal synchronization  Video Frame Rate 2642 x 1956 @ 20fps  HD Video Output 1 HD analog output  Menu  AGC Support  D/N Mode Auto/Color/BW (Black and White)  White Balance ATW/MWB  BLC Support  Language English, Chinese  Functions Brightness, Sharpness, Digital noise reduction, Mirror, Bad pix...

Warning! Product withdrawn from production!

Warranty: 36 mon.

Datasheet 

DS-2CE56H1T-(A)ITZ  5 MP Motorized Vari-Focal EXIR Dome Camera    * 5 megapixel high-performance CMOS  * HD analog output, up to 5 MP resolution  * 2.8 to 12 mm motorized vari-focal lens  * True Day/Night  * OSD menu, DNR, Smart IR  * EXIR technology, up to 30 m IR distance  * IP65  * Up the Coax (HIKVISION-C)    Key Features                      Specifications          Camera  Image Sensor 5 MP CMOS image sensor  Effective Pixels 2592 (H) x 1944 (V)  Min. illumination Color: 0.01 Lux @ (F1.2, AGC ON), 0 Lux with IR  Shutter Time  PAL: 1/25 s to 1/50, 000 s  NTSC: 1/30 s to 1/50, 000 s  Lens 2.8 to 12 mm motorized vari-focal lens  Horizontal Field of View 86.8° to 27.7° (2.8 to 12 mm)  Lens Mount Φ14  Day & Night ICR  Angle Adjustment Pan: 0° to 355°; Tilt: 0° to 75°; Rotate: 0° to 355°  Synchronization Internal synchronization  Video Frame Rate 2592 x 1944 @ 20fps  HD Video Output 1 HD analog output  Menu  AGC Support  D/N Mode Auto/Color/BW (Black and White)  White Balance ATW/MWB  BLC Support  Language English, Chinese  Functions Brightness, Sharpness, Digital noise reduction, Mir...

Warning! Product withdrawn from production!

Warranty: 36 mon.

Datasheet 

Key Features   5 MP high performance COMS   2560 x 1944 resolution   2.7 mm to 13.5 mm motorized vari-focal lens   EXIR 2.0, smart IR, up to 40 m IR distance   OSD menu, 2D DNR, DWDR   4 in 1 video output (switchable TVI/AHD/CVI/CVBS)   IP67   Up the coax (HIKVISION-C)    DS-2CE56H0T-IT3ZF  5 MP Turret Camera              Camera  Image Sensor 5 MP CMOS image sensor  Resolution 2560 (H) x 1944 (V)  Min. Illumination Color: 0.01 Lux @ (F1.2, AGC ON), 0 Lux with IR  Shutter Time  PAL: 1/25 s to 1/50, 000 s  NTSC: 1/30 s to 1/50, 000 s  Lens 2.7 mm to 13.5 mm motorized vari-focal lens  Horizontal Field of View 95.7° to 29.1°  Lens Mount Φ 14              Menu  AGC Support  D/N Mode Auto/Color/BW (Black and White)  White Balance ATW/MWB  BLC Support  DWDR (Digital Wide Dynamic Range) Support  Functions Brightness, Sharpness, DNR, Mirror, Smart IR  Interface  Video Output 1 HD analog output  Switch Button TVI/AHD/CVI/CVBS  General  Operating Conditions -40 °C to 60 °C (-40 °F to 140 °F), humidity: 90% or less (non-condensation)  Power Supply 12 VDC ±25%  Power Consumption Max. 6.3 W  Protection ...

Warning! Product withdrawn from production!

Replacement product: DS-2CE79H0T-IT3ZF(2.7-13.5mm)(C)

Replacement product code: 300615088

Warranty: 36 mon.

Datasheet 

Key Features   5 MP high performance COMS   2560 x 1944 resolution   2.7 mm to 13.5 mm motorized vari-focal lens   EXIR 2.0, smart IR, up to 40 m IR distance   OSD menu, 2D DNR, DWDR   4 in 1 video output (switchable TVI/AHD/CVI/CVBS)   Up the coax (HIKVISION-C)    DS-2CE56H0T-(A)ITZF  5 MP Dome Camera              Camera  Image Sensor 5 MP CMOS image sensor  Resolution 2560 (H) x 1944 (V)  Min. Illumination Color: 0.01 Lux @ (F1.2, AGC ON), 0 Lux with IR  Shutter Time  PAL: 1/25 s to 1/50, 000 s  NTSC: 1/30 s to 1/50, 000 s  Lens 2.7 mm to 13.5 mm motorized vari-focal lens  Horizontal Field of View 95.7° to 29.1°  Lens Mount Φ 14              Menu  AGC Support  D/N Mode Auto/Color/BW (Black and White)  White Balance ATW/MWB  BLC Support  DWDR (Digital Wide Dynamic Range) Support  Functions Brightness, Sharpness, DNR, Mirror, Smart IR  Interface  Video Output 1 HD analog output  Switch Button TVI/AHD/CVI/CVBS  General  Operating Conditions -40 °C to 60 °C (-40 °F to 140 °F), humidity: 90% or less (non-condensation)  Power Supply 12 VDC ±15%, 24 VAC ±15%  Power Consumption  DS-2CE56H0T-ITZF: Max...

Warning! Product withdrawn from production!

Replacement product: DS-2CE5AH0T-VPIT3ZE/2.7-13.5mm(C)

Replacement product code: 300615090

Warranty: 36 mon.

Datasheet 

DS-2CE12DFT-PIRXOF28  2 MP PIR Siren Full Time Color Camera          • 2 MP, 1920 x 1080 resolution  • 24-hour color image  • 130 dB true WDR, 3D DNR  • 2.8 mm fixed focal lens  • Smart Light, up to 40 m white light distance  • PIR detection, strobe light alarm, alarm out/audible alarm  • Built-in siren  • 4 in 1 video output (switchable TVI/AHD/CVI/CVBS)  • IP67        Specification    Camera  Image Sensor2 MP CMOS  Signal SystemPAL/NTSC  Resolution1920 (H) x 1080 (V)    Frame Rate  TVI: 1080p@30fps, 1080p@25fps  AHD: 1080p@30fps, 1080p@25fps  CVI: 1080p@30fps, 1080p@25fps  CVBS: PAL/NTSC    Min. illumination0.0005 Lux @ (F1.0, AGC ON), 0 Lux with White Light    Shutter Time  PAL: 1/25 s to 1/50, 000 s  NTSC: 1/30 s to 1/50, 000 s    Slow ShutterMax. 16 times  Lens2.8 mm fixed lens  Field of View2.8 mm, horizontal FOV: 104°, vertical FOV: 54°, diagonal FOV: 126°  Lens MountM16  Flashing Light Alarm (Red & Blue)Yes  Audible AlarmYes  Day & NightColor  WDR (Wide Dynamic Range)≥130 dB  Angle AdjustmentPan: 0 to 360°, Tilt: 0 to 90°, Rotation: 0 to 360°  Menu  White LightAuto/​Off  Image ModeSTD/HIGH-SAT  AGCYes  White BalanceAuto/M...

Warning! Product withdrawn from production!

Replacement product: DS-2CE12DF3T-PIRXOS(2.8mm)

Replacement product code: 300513065

Warranty: 36 mon.

Datasheet 

Key Features   5 MP high performance COMS   2560 x 1944 resolution   2.7 mm to 13.5 mm motorized vari-focal lens   EXIR 2.0, smart IR, up to 40 m IR distance   OSD menu, 2D DNR, DWDR   PoC.at   IP67   Up the coax (HIKVISION-C)      DS-2CE56H0T-IT3ZE  5 MP Turret Camera              Camera  Image Sensor 5 MP CMOS image sensor  Resolution 2560 (H) x 1944 (V)  Min. Illumination Color: 0.01 Lux @ (F1.2, AGC ON), 0 Lux with IR  Shutter Time  PAL: 1/25 s to 1/50, 000 s  NTSC: 1/30 s to 1/50, 000 s  Lens 2.7 mm to 13.5 mm motorized vari-focal lens  Horizontal Field of View 95.7° to 29.1°  Lens Mount Φ 14              Menu  AGC Support  D/N Mode Auto/Color/BW (Black and White)  White Balance ATW/MWB  BLC Support  DWDR (Digital Wide Dynamic Range) Support  Functions Brightness, Sharpness, DNR, Mirror, Smart IR  Interface  Video Output 1 HD analog output  General  Operating Conditions -40 °C to 60 °C (-40 °F to 140 °F), humidity: 90% or less (non-condensation)  Power Supply 12 VDC ±25%, PoC.at  Power Consumption Max. 7.8 W  Protection Level IP67  Material Metal  IR Range Up to 40 m  Commu...

Warning! Product withdrawn from production!

Replacement product: DS-2CE79H8T-AIT3ZF(2.7-13.5mm)

Replacement product code: 300613096

Warranty: 36 mon.

Datasheet 

Key Features   5 MP high performance COMS   2560 x 1944 resolution   2.7 mm to 13.5 mm motorized vari-focal lens   EXIR 2.0, smart IR, up to 40 m IR distance   OSD menu, 2D DNR, DWDR   PoC.af   Up the coax (HIKVISION-C)    DS-2CE56H0T-ITZE  5 MP Dome Camera              Camera  Image Sensor 5 MP CMOS image sensor  Resolution 2560 (H) x 1944 (V)  Min. Illumination Color: 0.01 Lux @ (F1.2, AGC ON), 0 Lux with IR  Shutter Time  PAL: 1/25 s to 1/50, 000 s  NTSC: 1/30 s to 1/50, 000 s  Lens 2.7 mm to 13.5 mm motorized vari-focal lens  Horizontal Field of View 95.7° to 29.1°  Lens Mount Φ 14              Menu  AGC Support  D/N Mode Auto/Color/BW (Black and White)  White Balance ATW/MWB  BLC Support  DWDR (Digital Wide Dynamic Range) Support  Functions Brightness, Sharpness, DNR, Mirror, Smart IR  Interface  Video Output 1 HD analog output  General  Operating Conditions -40 °C to 60 °C (-40 °F to 140 °F), humidity: 90% or less (non-condensation)  Power Supply 12 VDC ±25%, PoC.af  Power Consumption Max. 6.6 W  Material Plastic  IR Range Up to 40 m  Communication Up the coax, Protocol: HIKVISION-C (T...

Warning! Product withdrawn from production!

Replacement product: DS-2CE59H8T-VPIT3ZF(2.7-13.5mm)

Replacement product code: 300611890

Warranty: 36 mon.

Datasheet 

DS-7200HQHI-K1 SERIES TURBO HD DVR    Video Input and Transmission   Self-adaptive HDTVI/HDCVI/AHD/CVBS signal input   Up to 6/12/24-ch 6 MP IP cameras input for DS-7204/7208/7216HQHI-K1   Long distance transmission over UTP and coaxial cable: max. 800m for 1080p and 1200m for 720p HDTVI signal  Compression and Recording   H.265 Pro+/H.265 Pro/H.265/H.264+/H.264 encoding for the main stream, and H.265/H.264 for the sub-stream of  analog cameras   Connectable to H.265+/H.265/H.264+/H.264 IP cameras   H.265+ can be enabled to improve encoding efficiency and reduce data storage costs   Full channel recording at up to 4 MP lite resolution   Supports real-time 1080p lite. When 1080p lite is on, the image effect is similar with 1080p  Video Output   Simultaneous HDMI/VGA output   HDMI output at up to 4K (3840 x 2160) resolution for DS-7216HQHI-K1   Separate CVBS output  Storage and Playback   One SATA interface (up to 10 TB capacity per HDD)   4/8/16-ch synchronous playback   Smart search for efficient playback   Supports third-party cloud storage (Dropbox/Google Drive/Microsoft OneDrive)  Smart Function   Supports multiple VCA (Video Content Analytics) events for b...

Warning! Product withdrawn from production!

Warranty: 36 mon.

Datasheet 

Key Features   5 MP high performance COMS   2560 x 1944 resolution   2.7 mm to 13.5 mm motorized vari-focal lens   EXIR 2.0, smart IR, up to 40 m IR distance   OSD menu, 2D DNR, DWDR   PoC.af   IP67, IK10   Up the coax (HIKVISION-C)    DS-2CE5AH0T-VPIT3ZE  5 MP Dome Camera              Camera  Image Sensor 5 MP CMOS image sensor  Resolution 2560 (H) x 1944 (V)  Min. Illumination Color: 0.01 Lux @ (F1.2, AGC ON), 0 Lux with IR  Shutter Time  PAL: 1/25 s to 1/50, 000 s  NTSC: 1/30 s to 1/50, 000 s  Lens 2.7 mm to 13.5 mm motorized vari-focal lens  Horizontal Field of View 95.7° to 29.1°  Lens Mount Φ 14              Menu  AGC Support  D/N Mode Auto/Color/BW (Black and White)  White Balance ATW/MWB  BLC Support  DWDR (Digital Wide Dynamic Range) Support  Functions Brightness, Sharpness, DNR, Mirror, Smart IR  Interface  Video Output 1 HD analog output  General  Operating Conditions -40 °C to 60 °C (-40 °F to 140 °F), humidity: 90% or less (non-condensation)  Power Supply 12 VDC ±25%, PoC.af  Power Consumption Max. 6.6 W  Protection Level IP67, IK10  Material Metal  IR Range Up to 40 m

Warning! Product withdrawn from production!

Replacement product: DS-2CE5AH8T-VPIT3ZF(2.7-13.5mm)

Replacement product code: 300611892

Warranty: 36 mon.

Datasheet 

DS-2CE12HFT-F28  5 MP Full Time Color Camera          • 5 MP, 2560 x 1944 resolution  • 24-hour color image  • 130 dB true WDR, 3D DNR  • 2.8 mm fixed focal lens  • Smart Light, up to 40 m white light distance  • 4 in 1 video output (switchable TVI/AHD/CVI/CVBS)  • IP67        Specification    Camera  Image Sensor5 MP CMOS  Signal SystemPAL/NTSC  Resolution2560 (H) x 1944 (V)    Frame Rate  TVI: 5MP@20fps, 4MP@30fps, 4MP@25fps, 1080p@30fps, 1080p@25fps  CVI: 4MP@30fps, 4MP@25fps  AHD: 5MP@20fps, 4MP@30fps, 4MP@25fps  CVBS: PAL/NTSC    Min. illumination0.0005 Lux @ (F1.0, AGC ON), 0 Lux with White Light    Shutter Time  PAL: 1/25 s to 1/50, 000 s  NTSC: 1/30 s to 1/50, 000 s    Slow ShutterMax. 16 times  Lens2.8 mm fixed lens  Horizontal Field of View2.8 mm, horizontal FOV: 99.7°, vertical FOV: 72°, diagonal FOV: 139.8°  Lens MountM16  Strobe Light AlarmYes  Day & NightColor  WDR (Wide Dynamic Range)≥130 dB  Angle AdjustmentPan: 0 to 360°, Tilt: 0 to 90°, Rotation: 0 to 360°  Menu  White LightAuto/​Off  Image ModeSTD/HIGH-SAT  AGCYes  Day/Night ModeColor  White BalanceAuto/Manual  AE (Auto Exposure) ModeWDR/​BLC/​HLC/​Global/​HLS/​An...

Warning! Product withdrawn from production!

Replacement product: DS-2CE12KF0T-LFS(2.8mm)

Replacement product code: 327800899

Warranty: 36 mon.

Datasheet 

DS-2CE12HFT-F  5 MP Full Time Color Camera          • 5 MP, 2560 x 1944 resolution  • 24-hour color image  • 130 dB true WDR, 3D DNR  • 3.6 mm, 6 mm fixed focal lens  • Smart Light, up to 40 m white light distance  • 4 in 1 video output (switchable TVI/AHD/CVI/CVBS)  • IP67        Specification    Camera  Image Sensor5 MP CMOS  Signal SystemPAL/NTSC  Resolution2560 (H) x 1944 (V)    Frame Rate  TVI: 5MP@20fps, 4MP@30fps, 4MP@25fps, 1080p@30fps, 1080p@25fps  CVI: 4MP@30fps, 4MP@25fps  AHD: 5MP@20fps, 4MP@30fps, 4MP@25fps  CVBS: PAL/NTSC    Min. illumination0.0005 Lux @ (F1.0, AGC ON), 0 Lux with White Light    Shutter Time  PAL: 1/25 s to 1/50, 000 s  NTSC: 1/30 s to 1/50, 000 s    Slow ShutterMax. 16 times  Lens3.6 mm, 6 mm fixed lens  Horizontal Field of View80.1° (3.6 mm), 49.3° (6 mm)  Lens MountM16  Strobe Light AlarmYes  Day & NightColor  WDR (Wide Dynamic Range)≥130 dB  Angle AdjustmentPan: 0 to 360°, Tilt: 0 to 90°, Rotation: 0 to 360°  Menu  White LightAuto/​Off  Image ModeSTD/HIGH-SAT  AGCYes  Day/Night ModeColor  White BalanceAuto/Manual  AE (Auto Exposure) ModeWDR/​BLC/​HLC/​Global/​HLS/​Anti-banding  Privacy Mask4 pro...

Warning! Product withdrawn from production!

Replacement product: DS-2CE12KF0T-LFS(3.6mm)

Replacement product code: 327800900

Warranty: 36 mon.

Datasheet 

Warning! Product withdrawn from production!

Warranty: 36 mon.

Datasheet 

DS-2CE56D1T-IR3Z  HD1080P Motorized Vari-focal IR Turret Camera    * 2 Megapixel high-performance CMOS  * Analog HD output, up to 1080P resolution  * 2.8 – 12mm motorized vari-focal lens  * True Day/Night, Smart IR  * Up to 40m IR distance  * IP66 weatherproof  * OSD menu  * Up the Coax(HIKVISION-C protocol)    Key Features                  Specifications          Camera  Image Sensor 2MP CMOS Image Sensor  Signal System PAL/NTSC  Effective Pixels 1930(H)*1088(V)  Min. illumination 0.01 Lux @ (F1.2,AGC ON),0 Lux with IR  Shutter Time 1/25(1/30)s to 1/50,000s  Lens  Motorized VF lens; 2.8 - 12 mm @ F1.4  Angle of view: 114.5°- 35.1°  Lens Mount φ14  Day & Night ICR  Angle Adjustment Pan: 0 - 360°, Tilt: 0 - 75°, Rotation: 0 - 360°  Synchronization Internal synchronization  Video Frame Rate 1080p@25fps/1080p@30fps  HD Video Output 1 Analog HD output  S/N Ratio ＞62dB  Menu  Camera ID On/off (0-255)  AGC Support  D/N Mode Color/BW/Auto/EXT  White Balance Auto/User/Push/8000K/6000K/4200K/3000K  Privacy Mask On/Off, maximum 2 zones  Motion Detection On/Off, maximum 4 zones  BLC Support  Ant...

Warning! Product withdrawn from production!

Warranty: 36 mon.

Datasheet