Monoprice 111152 Pan Tilt Zoom and Focus Controller with 3 Axis and RS-485 (Black) Control up to 255 CCTV cameras and a receiver using this Pan Tilt Zoom and Focus Controller with 3Axis and RS-485 from Monoprice This keyboard and joystick controller allows you to directly control and/or program individual cameras in your security system It comes with a 12 VDC, 1A AC power adapter