1. Image sensor:Sony 3142+Sony 633 2. Lens installation: 3.6mm 6mm 8mm 3. Automatic Gain Control: Auto 4. 420tvl Specifications1 variable lens 3.6mm 6mm 8mm2 IR distance:30M 3 ir led: 9 x Φ5mm4 CE, FCC 1 Waterproof 2 IR distance: 30M 3 0.1Lux,ir led: 9 xΦ5mm, 4 ISO9001, CE, FCC and RoHs 5 factory price, optional package and fast delivery