Compro CM600 Digital I/O Expansion box with RF receiver

Compro Digital IO Expansion box, Design for Compro IP540IP540PIP570IP570P PTZ IP cameras to connect with various sensor and alarm, built-in RF receiver for Compro wireless sensorsdetectors signal reception; with 15-pin connectors: input (2-pin) x3, output (3-pin) x3, Box dimensions: 104 x 60 x 27 mm, Connection cable length: 100 cm, Screws for ceiling mounting, Screw mount, Installation guide