... iris lens, synchronization, automatic white balance New Waterproof Camera 1. Features:SG- W212 : 1/4" color Sharp CCD, 0Lux/F1.2, 400TVL ... distance 10-15M, with 3.6mm lens,with bracketSG- W112 : 1/3" Color Sony CCD, 0Lux/F1.2, 420TVL, S/N ... 492(V)Signal SystemPAL/NTSCLens3.6mmWhite BalanceAutoElectronic Shutter1/50(1/60)~1/100,000 secSync SystemInternalS/N Ratio>48dBOperation Temperature-20°C ...