... 480TVL, 540TVL, 600TVL, 700TVL EFFIO-E.Sharp CCD: 1/4" 400TVL.Nextchip: 480TVL, 600TVL.CMOS camera with IR-CUT: 480TVL, 600TVL, 700TVL.(Welcome ... 1. Original CCD: use SONY or SHARP CCD, it provides stable quality and true color; 2. Component: we use original import chip. Better ... quality, longer usage life; 3. Aging time: 8 hours at least for each camera to ensure ...