The YBO-R/SCI(RED) Base has been designed to be used with the red CHQ-WS2 Wall Sounder or red CHQ-WSB2 Wall Sounder Beacon, red CHQ-CB ceiling Beacon, red CHQ-WB Wall beacon.
The YBO-R/SCI(RED) does not use an address, and has the same wiring configuration as the standard YBN-R/3 Sensor Base making it very simple to install.
Bayonet slot, low insertion force for detectors