How many First Alert® OneLink® alarms can be interconnected together?
As with hardwired units, NFPA states that up to 18 total units can be interconnected (RF Wireless or hardwired) with a maximum of 12 of those being smoke alarms. See our lineup of OneLink Wireless Battery and OneLink Wireless Hardwired Alarms. »Download OneLink Wireless Alarms FAQ’s in pdf format.