Contact: overseaswinsafe AT 126 dot com Product name: 2" White Dome, Latest products,high resolution,easy to install horizontal rotation 330? Lens Tilt 10?90? Standard 3.6mm Lens 1. Image Sensor : 1/4" Sony CCD,1/3" Sony CCD 2. Horizontal Resolution:420TVL,480TVL, 540TVL 3. Effective Pixels: PAL:512(H)X582(V) NTSC:512(H)X492(V) 4. Signal System: NTSC/PAL 5. Mini Illumination: 0.01LUX/F1.2 6. Lens: Standard6(4/8/12)mm 7. BLC:Auto 8. Electronic Shutter: 1/50(1/60)~1/100,000sec 9. AGC: ON/OFF 10.White Balance: ON/OFF 11.S/N Ratio: >48dB 12.Gamma Correction: >0.45 13.Operating Temperature: -20~50 degree 14.Sync system: Internal 15.Video output level: 1.0v p-p /75&Omega 16.Power requirement: DC12V,<120mA