The keyboard controller can control AHD/TVI/CVI/ CVBS Analog high speed dome cameras, slow dome camera, zoom camera, decoders, etc. The electric outlet between the controlling keyboard and the receiving terminal is EIA/RS – 485, which enables the keyboard to control as many as 128 dome cameras or other terminals within a maximal communication range of 1.5 Km. If you're looking for the PTZ Cameras that work with this PTZ keyboard, Please search : B0CFFNVZ3Z, B07GSXN98H, B07K3TYYRJ, B09H7D64D2 Product introduction: 1. Baud rate: 1200bps,2400bps,4800bps,9600bps,19200pbs,38400pbs 2. Protocol:Pelco-D ,Pelco-P ,SAMSUNG 3. Communication: RS-485 4. Power input: DC 12V -1A 5. Communication distance: max 1500m 6. Can control max 128pcs speed domes 7. Password setup function 8. Ambient Temperature: 0 celsius degree~60 celsius degree 9. Relative Humidity:90%RH 10. Dimension: 205mm*168mm*48 mm Description of Main Functions The main functions of the keyboard include: 1. The keyboard output adopts photoelectric insulated 485 control, which provides strong anti-jamming and long-range transmission. 2. The range for dome camera or decoder address setup: 1~255. 3. Variable-speed operation can be applied to the built-in dome of the high speed dome camera. 4. Pre-set positions can be setup and previewed in the high speed dome camera. 5. Up to four tour routes can be setup and previewed in the high speed dome camera, with each tour having a maximum of 16 pre-set positions, dwell time and speed for each pre-set position programmable. 6. The high speed dome camera can be manually / automatically controlled. 7. Lens zoom ratio, focus and iris can be manually controlled. 8. More than one terminals, such as dome cameras and decoders, can be controlled.

This controller keyboard is good addition to your cctv security system. All the input and output communication interfaces is lightning protection design with anti-interference ability. 3-Axis PTZ Joystick with Twist Zoom can the PTZ cameras more concisely and promptly with variable PT speed control, iris control, and focus control. The PTZ joystick has a LCD screen to display protocol,baud rate,address and control status of security cameras. The small-sized controller can control 255 ptz cameras thru Pelco Protocol over RS485 wiring,128 cameras in parallel, with different protocols and baud rates. If you're looking for the PTZ Cameras that work with this PTZ keyboard, Please search : B0CFFNVZ3Z, B07GSXN98H, B07K3TYYRJ, B09H7D64D2. The controller is designed with 4D PTZ joystick for rapid control of Analog speed dome cameras and PTZ cameras, which cannot conveniently control through DVR.