1.1/4" Sharp or 1/3" SONY CCD 2.OSD menu and Wide Dynamic Fuction are available for 600TVL 3.4mm-9mm Manual varifocal lens 4.30pieces ?5 IR LED 5.IR Night Vision 30M 6.All metal design, vandal-proof dome 7.High reliability, excellent image qual... - Update: 2012-02-10

Main Features: 1.420TVL,480TVL, 520TVL and 600TVL clear picture display 2.OSD Manual and Wide Dynamic Fuction are available for 600TVL 3.4mm-9mm Manual varifocal lens 4.30pieces ?5 IR LED 5.IR Night Vision 30M 6.All metal design, vandal-proof d... - Update: 2012-02-10

* 1/3" or 1/4" Sony / Sharp CCD * 420TVL/480TVL/ 520TVL/600TVL clear picture display * WDR and OSD menue are optional for 600TVL * 3.6-8mm fixed lens optional (Standard lens: 4mm) * 24pcs IR LEDs * IR effective range: 25M * High reliability and... - Update: 2012-02-10