1/4'' SHARP CCD 1/3'' SONY CCD WATERPROOF indoor camera Round 90MM Dimension, 520TVL, 1 / 3 "SONY CCD, 48 leds ... 0.01Lux/F1.2, double glass, full aluminum alloy IP66 waterproof treatment, anti-fog, anti-reflective. Night distance to the configuration ... the wall around the office with a Siamese bracket CCTV Camera