Decoder Controller Description:Decoder is a security monitoring system and equipment used in a front-end control equipment, Yuntai to the control indoor or outdoor, power zoom, cameras, lights and wipers, control for RS-485, compatible with a wide range of control protocol. Decoder with super-strong anti-crash performance, the camera click protection, the lens drive voltage adjustable, Yuntai AV24V/220V user adjustable voltage, also has 12V DC output, 24V AC output.