Model No.                                EST-AHD3552                                 EST-AHD35513                             EST-AHD3551

Camera Type                           AHD （Analog High Definition）Camera
Effective Pixels                        2.0 Mega Pixels                               1.3 Megapixels                               1.0 Mega Pixels 
Image Sensor                         1/2.8" SONY Exmor CMOS Sensor  1/3" SONY Exmor CMOS Sensor  1/4" Aptina CMOS Sensor 
DSP                                         Nextchip 2431H                               Nextchip 2431H                               Nextchip 2431H
Min. Illumination                      Color   0.01Lux@F1.2                      Color   0.01Lux@F1.2                     Color   0.01Lux@F1.2 
                                                B/W   0.001 Lux@F1.2                     B/W   0.001 Lux@F1.2                    B/W   0.01 Lux@F1.2 
Signal System                         PAL/NTSC or CVBS/AHD
On Screen Display                  Yes                                                   Yes                                                   Option
OSD Function                         Manual/DC Lens,Shutter/AGC/WB,Pict Adjust,Mirror,Day/Night,DNR,BLC/HLC,Motion Detect,Privacy Zone
IR Cut Filter                             IR LED synchronous switching double filter
 Lens Mount                             Varicoal Lens 2.8-12mm
Infrared Luminary                     30  pieces IR-LEDs 
Infrared Wavelength                 850 nm 
Illuminate Distance                   More than   25 M 
Waterproof Criterion                 IP 66 
I/O Connector                           1*DC Power Connector ,1* BNC Video Connector
Supplied Voltage                      DC12V
Power Consumption                 IR On: 600mA max., IR Off: Less than 200mA 
Working Enviroment                 -10°C~+60°C, 10%~90% ( Built in Heater being optional added for enviroment lower than -20° )
Dimensions                               200*100*85mm
Weight                                      1.5 kg