Image Sensor 1/3?LG inner module camera LVC-M313HP Scanning System 2:1 Interlace Horizontal Frequency CCIR:500(H)*582(V);EIA:510(H)*492(V) S/N Ratio More Than 48dB Resolution 480TVL Mini IIIumination 0.1Lux(F:1.2) Synchronization Internal Lens Built-in x27 Zoom (F1.5(W), F3.6(T) f=3.25~88.0mm) Auto iris lens Digital Slow Shutter 0.005 Lux (32 field accumulate) night mode 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 75Ω,Negative Operating Temperature -10?to +50? RH95% Max Shutter Speed(8 Steps) 1/60 ~ 1/10,000 Sec.(NTSC) 1/50 ~ 1/10,000 Sec.(PAL) Supplied Voltage 24VAC Power Consumption 1800MA Dimensions (WxHxD) 275mm x 380mm Weight Approx.1.700g