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"CCD Pixels: PAL:512HX582V PAL 500HX582v NTSC 512HX492V NTSC 510H X492V Scanning system: PAL/NTSC Horizontal Resolution: 420TVL Minimum Illumination: OLux IR ON S/N Ratio: ≥48dB Video Output: 1.0Vp-p/75Ω AGC: Auto White Balance: Auto Backlight Compensation: Auto Exposure Mode: EE Electronic Shutter: 1/50(1/60)-1/100000sec Gamma Correction: 0.45 Sync. System: Internal Synchronization IR View Distance: 10m Lens: 3.6mm Standard Power Supply: DC12V