Pan Tilt Zoom PTZ Controller with 3 axis Joystick LCD Display CCTV Dome Camera 3D Keyboard Controller Remote Control Pan/Tilt/Zoom of Dome PTZ Camera, can control pan/ tilt rotation, iris, preset tour, pattern, Zoom-In, Zoom-Out and Focus Directly LCD Display, Keyboard and 3-Axis Joystick Set Preset Positions and Tour Groups, uses RS-485 protocol Supports controlling up to 31 cameras, easy joystick for manual operation 1 Year Warranty and Free Life Time Tech Support From U.S.A. (Include Power adapter)