... any automatic iris lens, synchronization, automatic white balance 20M Waterproof Camera 1. Features:SG- 211M : 1/4" Sharp CCD, 400TVL, ... IR, view distance 20M, with sun shieldSG-111M: 1/3" Sony CCD, 420TVL, 6mm lens, 24pcs φ5 IR, view distance ... : ModelSG-211MSG-111MSG-141MImage Sensor1/4" Sharp CCD1/3" Sony CCDHorizontal Resolution400TVL420TVL540TVLMini. Illumination0Lux/F1.2 (IR on)PixelsPAL: 512( ...