... lens, synchronization, automatic white balance 20M Waterproof Camera 1. Features:SG- 215 : 1/4" Color Sharp CCD, 0Lux/F1.2, 400TVL, S/N ... , 36pcs φ8 IR, view distance 30-50m, with 8mm lensSG-115: 1/3" Color Sony CCD, 0Lux/F1.2, 420TVL, S/N>48dB ... , Auto BLC, Auto AGC, Auto AWB, 36pcs φ8 IR, view distance 30 ...