Generic Electric Rotating Bracket RS485 Wall Mount Holder for Security CCTV Camera (Pack of 4) Innovative design, 250 degree horizontally rotating right or left electronic limit arbitrary settings. Built-in Intelligent decoder, intelligent preset position, intelligent scan function. Most compatible with most available cameras in market. Can be easily connected to CCTV cameras RS485 and DC 12V output. DC 12V Input power (for providing power to camera), RS485 control cable.