1.1.22*/27*/optical zoom. 2. High resolution and high sensitivity. Image Sensor :1/4'' SONY Interline Transfer CCD Effective Pixels: PAL: 752(H)*582(V) NTSC : 768(H)*494(V) Sensing Area :3.6mm*2.4mm Signal System: PAL/NTSC Horizontal Resolution: 480TV Lines Built-in-Lens: 22X3.9-85.8mm Mini Illumination:0.5 Lux Sync.System:Internal Digital Zoom:NO OSD:English Shutter Speed:1/50(1/60)?/100,000 second Auto Iris Lens:VIDEO/DC (optional) Auto Color , B/W: Color S/N Ratio:more than 52dB (AGC OFF) Focusing System:Auto Focus Control Interface:Line control Video Output:1.0Vp-p.75Ω(BNC) Power Supply:DC12V/500mA Power Consumption:3.6W Video Out:VIDEO OUT (BNC) Dimension/mm: 102*57*67 Weight(g):350g