Camera Image Sensor:1/4" SHARP COLOR　CCD Effective Pixels: PAL: 512(H)?582(V)NTSC: 512(H)?492(V) Sensing Area:3.6mm x2.7mm Horizontal Resolution: 420 TVL Minimun Illumination:0.5 Lux F=2.0 Synchronizing System:Internal synchronization S/N Ratio: >48 dB (AGC-OFF) Signal System: PAL/NTSC Shutter Speed: auto，1/50(60) -1/100000(second) Video Output: RCA connectors,1.0Vp-p,75 Ohm White Balance:auto Backlight Compensation:auto Built-in Lens:3.7 mm pinhole lens Lens angles: 67.5 degrees Power Supply: DC 9V Current Consumption: 110mA Operating Temperature: -20°C~+60°C Material: alluminium alloy Size (not including bracket): Ф24 mm?66 mm Weight(not including bracket): 90g Color for Option: black/silver/other Wireless Transmitter - Frequency: 1.2 G/2.4G - Output power: 100mW/20dbm - Transmission distance: 100-300m in open space - Power supply: DC 12V Wireless Receiver: 12 channels Power supply: DC 12V 800mA