Shop for Electrical at The Home Depot. This small keyboard provides joystick and keyboard control for one or many connected PTZ cameras. The keyboard can be used to control PTZ cameras or similar devices that use the REVOTRAX, Pelco D or Pelco P protocols. (REVOTRAX is the default protocol.) The keyboard s multi-function joystick can control Pan, Tilt, Zoom, Focus, and Iris adjustments. A twist function and a control (CTRL) button are included. The keyboard has a built-in backlit LCD screen that displays pertinent information for easy use. The keyboard is used to control REVO PTZ cameras (using the REVOTRAX protocol) or other PTZ cameras (using Pelco D or Pelco P protocols). The default keyboard settings are REVOTRAX, 9600 baud rate, Camera ID-1. The keyboard s current set-up information will be displayed on the LCD screen for two seconds immediately after each power-up. The keyboard is equipped with one RS-485 communication port and supports half-duplex two ways communication to one or more devices. The keyboard has a power input port for 12 Volt DC (1000mA) operations, power adaptor included. Cable for the RS-485 connection is not included. (Recommended part no. is RCAT5DATA).