This Inbound Relay Trigger Controller provides 800ms of dry contact closure. This unit is simply bridged to the door box leads. It is activated by the push button on the door box. Use this product for a door chime, to activate a camera, or turn on a light. Mounted on a Universal Mounting Bracket which can easily be positioned on any structured wiring cabinet.
Item # DP-29CI
Features
Powered by internal NiCad battery
May also be powered by an external 3v power source