Feature: 1, smart type 2, clear picture 3, built-in microphone for audio monitor 4, easy intall Specification: Image Sensor: 1/3\"Sony Color CCD?? Picture Element: PAL: 500(H) ?582(V) NTSC: 510(H) ?492(V) Horizontal Resolution: 420TV Lines Sync Mode: Internal Sync Scanning System: 2:1 interlace Video Output: 1.0Vp-p, 75?X Gamma Characteristic: 0.45 S/N Ratio: ??8 dB White Balance: Auto Backlight Compensation: Auto Minimum Illumination: 0.8LUX/F 1.2 Electronic Shutter: Auto: 1/50(1/60) to 1/100,000 sec Lens: Pinhole Lens Power: DC 12V??10%