RioRand LCD Security PTZ (Pan Tilt Zoom) Speed Dome Camera 3D Keyboard Controller - Using 3 Axis Joystick to Control the Pan/Tilt Direction and Speed of the Dome Camera. Up to 32 Speed Dome Cameras, 2000 Feet Maximum Distance Communication PTZ 3D keyboard controller SV053 Using 3 axis joystick to control the Pan/Tilt direction and speed of the dome camera. The speed of the pan/tilt mechanism is controlled by the angel of the joystick during operation. By changing the tilting angle of the joystick you can adjust the speed evenly and the camera will be focused automatically in the course of your scan to keep images in focus. Background light Operate the dome camera at different speed setting, speed switching smooth and stable Control the pan tilt auto line scan, speed and direction can be set as well