DVR Keyboard Controller

Feature:
LCD display
Use 4 axis optical joystick
Manifold of protocol
Baud rate optional
It have two RS485 ports and has appropriative DVR port, it could control 255 DVRs at most
Key backlight
DVR control: image shift, record, stop, play, image zoom, catch screen, speed up, back, menu, alarm and more
It can control 99 DVRs at most
It supports 16 user accounts and 8 digit passwords
Specifications:
Power supply: 9V DC/5W
Communication: RS485
Distance: 1,200m
Protocol: PELCO-D, PELCO-P, MOLYNX
Baud rate: 2,400, 4,800, 9,600 and 19,200
Most adds: 255/1024 (according to the protocol)
Display: LCD graph lattice
Dimensions: 390 x 145 x 160mm
Weight: 2.37kg
DVR Keyboard Controller