... :Sony CCD: 1/3" 420TVL, 480TVL, 540TVL, 600TVL, 700TVL EFFIO-E.Sharp CCD: 1/4" 400TVL.Nextchip: 480TVL, 600TVL.CMOS camera with IR-CUT ... quality, longer usage life; 3. Aging time: 8 hours at least for each camera to ensure the whole camera's stableness; 4. Safe ... package: use better packing material to keep camera good in the transportation; 5. 3-step strict check before delivery; 6. Three ...