Image Sensor 1/3"&1/4" Sony CCD Infrared waterproof Camera Scanning System PAL/NTSC Horizontal Frequency PAL 500H582V NTSC 512H 492V S/N Ratio More Than 48dB Resolution 420TVL Mini IIIumination 0.05Lux(F 1.2) Day/Night Function Provide various setting modes for any situation Synchronization Internal Lens Mount Board lens( 6mm, 8mm) optional 36infrared LED with 25~30m White Balance Auto Tracking white Balance Backlight compensation ON/OFF(switchable) AGC ON/OFF(switchable) Gamma Characteristic 0.45 Video Output Level 1.0 Vp-p 75Ohm Operating Temperature -10degreeC to +50degree Shutter Speed(8 Steps) 1/60 ~ 1/10, 000 Sec. (NTSC) 1/50 ~ 1/10, 000 Sec. (PAL)