Image sensor: 1/ 3" sony ccd Dsp: sony Resolution: 420 tv line Minimum illumination: 0.05 lux f1.2 / 0 lux f1.2 ( ir on) Scanning system: ntsc: 525 lines, 60 fields/ sec Pal: 625 lines, 50 fields/ sec Total pixels: ntsc: 542 ( h) x492 ( v) Pal: 512 ( h) x582 ( v) Electronic shutter: ntsc: 1/ 60~ 1/ 120, 000 sec. Sec Pal: 1/ 50~ 1/ 120, 000 sec. Sec Sync system: internal White balance: atw / awc switch able Gain control: agc on / off switch able B.L.C. Function: on/ off switch able S/ n ratio: 48 db ( agc off) Gamma correction: 0.45 Video output: composite 1.0v p-p at 75 ohm Audio output: Lens: board lens mount have lense: 1 Ir led: ( 850nm, 15o) x 16 leds ( 850nm, 45o) x 20 leds Ir distance: 25m Visible distance at: 25m ( lens 0 mm) Operation temperature: -10 to 50c Operational humidity: within 85% rh Power supply: dc12v / 350ma Dimensions( fxh) : 220* 130* 110 mm