Model No.                           EST-AHD6452                                       EST-AHD64513                                  EST-AHD6451
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                       Board Lens 3.6mm
Infrared Luminary              36  pieces IR-LEDs 
Infrared Wavelength          850 nm 
Illuminate Distance            More than   25 M 
Waterproof Criterion          IP 55 
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                                0.5 kg