... ,get the best picture.Inbuilt multiple protocol, allow any system.4.Power-off information protect and inbuilt surge, lightning ... RS485/422, Manchester, SDL, as coaxial-control, built-in multi-protocol conversion fully compatible with the following agreement: VTS ... supply: 12VDC 15W.Installation option: Wall mounting bracket,Surface, In-ceiling, Pole High speed dome High Speed Dome ParametersPan ...