Our company is a prefessional CCTV and CCD cameras Manufacturer. Our products are maily security products. CCD Type SONY1/3" SONY1/4" SHARP1/3" SHARP1/4" Pixels PAL:512Hx582V PAL: 500Hx582V NTSC:512Hx492V NTSC 510Hx492V Scanning System PAL/NTSC Horizontal Resolution 420TVL Mimimum Illumination 0Lux(IR ON) S/N Ratio more than or equal to 48dB Video Output 1.0Vp-p/75Ω AGC Auto White Balance Auto Exposure Mode EE Electronic Shutter 1/50(1/60)-1/100000sec Gamma Correction 0.45 Sync. System Internal Synchronization IR view Distance 100m Lens 6-60mm Power Supply DC 220v?%