Brand N/A Model 128UR4 Material Aluminum alloy Quantity 1 Color Black Sensor type CMOS Sensor size 1/4 inch Pixel/Line 30 Pixel/Lines Lens 3.6mm View Angle 45 degrees Picture Resolution PAL: 762(H) x 504(V) NTSC: 728(H) x 488(V) Video format MJ Daytime distance 10m Electronic Shutter speed N/A Minimum illumination 0.1Lux Night vision YES IR-LED Quantity 30 Night vision distance 10m Max. Memory Supported N/A GB S/N Ratio >48dB Waterproof N/A Water Resistant N/A Power Supply DC 12V Other Voltage: DC 12V 500~1000mA; Transmission frequency: 2.4GHz ISM; Transmitted power: 17dBm; Working current: 250mA Max 450mA Max (night vision); Camera: 300K Pixels; Support USB 1.1 and USB 2.0 Windows Vista / XP / 2000 Mac; Transmission distance: 150m~250m in the open area; Maximum can support 4 cameras for quad function; Support vibration message sound and e-mail alert; Motion detect manually to record and capture timer recording; Support 4 channel simultaneously display on screen save image on Hard Disk system PAL / NTSC Packing List 1 x Receiver 4 x Cameras 4 x Antennas 4 x Holder with screws 4 x 100~240V power cable (153cm / 2-round-pin plug) 1 x Software CD CD Content: http://m2.img.dxcdn.com/CDDriver/178069.rar