If you are using a PTZ camera without a DVR with PTZ controls, then you will need this PTZ Control Board.

Features: LCD display, control keys, joystick, can control up to 128 speed domes or decoders, full lens and speed control of cameras, manual or automatic control.

Specifications:
- Power: DC12V
- Connection: RS-485
- Range: 1500M (0.5MM twisted pair)
- Size: 7.9”(L) x 6.6”(W) x 1.8”(H)