Speed Dome PTZ Controller Keyboard with 3D Joystick, Joystick Controls Zoom In and Out as well as Direction, Protocol setup on OSD, CE and FCC Approvals, RS485 multi protocol including Pelco P / D LCD display to show camera selected, Baud Rate: 2400, 4800, 9600 Max. Transmitting Distance: 3937ft, DC 12V Power Adaptor (Included)