compatible with any automatic iris lens, synchronization, automatic white balance 20M Waterproof Camera 1. Features:SG- 215 ... 36pcs φ8 IR, view distance 30-50m, with 8mm lensSG-115: 1/3" Color Sony CCD, 0Lux/ ... 36pcs φ8 IR, view distance 30-50m, with 8mm lens SG-145: 1/3" Color Sony CCD, ... 35pcs φ8 IR, view distance 30-50m, with 8mm lensDescriptions: ModelSG-215SG-115SG-145Image Sensor1/4" Color Sharp ...