... iris lens, synchronization, automatic white balance 20M Waterproof Camera 1. Features:SG-214: 1/4" color Sharp CCD, 0Lux/F1.2, 400TVL ... " IR, IR view distance 20M, with 6mm lens,without bracketSG-114: 1/3" Color Sony CCD, 0Lux/F1.2, 420TVL, S/N ... ) x 492(V)Signal SystemPAL/NTSCLens6mmWhite BalanceAutoElectronic Shutter1/50(1/60)~1/100,000 secSync SystemInternalS/N Ratio>48dBOperation Temperature-20°C ...