dome camera for your security system tk - cm 6619 usd : 28 . 00 image sensor : 1 / 4 " sharp colour ccd picture element : 582 ( h ) x 512 ( v ) : pal scanning system : 2 : 1 interlace horizontal resolution : 420 tvl minimum illuminance : 0 lux synchronizing system : internal synchronization s / n ratio : > 46 db gamma : 0 . 45 auto gain control : on / off auto electronic shutter : 1 / 50 ~ 1 / 10 , 000 sec . on / off back light compensation : on / off video output : 1 . 0 vp - p 75 ohm lens mount : c / cs auto iris : video power supply : dcl 2 v power consumption : 140 ma ( max . 500 ma ) operating temperature : - 10 ? ? ~ + 50 ? ? dimensions : 118 ( d ) x 75 ( h ) mm dimensions : | ¦ ìl 00 xl 10 mm tk - cd 6588 usd : 25 . 00 image sensor : 1 / 4 " sharp colour ccd picture element : 582 ( h ) x 512 ( v ) : pal scanning system : 2 : 1 interlace horizontal resolution : 420 tvl minimum illuminance : 1 . 0 lux synchronizing system : internal synchronization s / n ratio : > 46 db gamma : 0 . 45 auto gain control : on / off auto electronic shutter : 1 / 50 ~ 1 / 10 , 000 sec . on / off back light compensation : on / off video output : 1 . 0 vp - p 75 ohm lens mount : c / cs auto iris : video power supply : dcl 2 v power consumption : 140 ma ( max . 500 ma ) operating temperature : - 10 ? ? ~ + 50 ? ? dimensions : 118 ( d ) x 75 ( h ) mm dimensions : | ¦ ìl 00 xl 10 mm shenzhen tokia electronics co . , ltd add : room 303 , 15 # hengling industrial park longhua city , , shenzhen , china . mobile : + 008613827465766 http : / / www . cctvcameras . cn e - mail : sales @ cctvcameras . cn jammewu @ yahoo . com . cn msn : jammewu @ hotmail . com skype : jammewu market department : jamme wu