Wireless Interlinked Smoke and Heat Alarm with 10-Year Sealed Li-Battery, Smoke and Heat Alarm for Home, CE/UKCA

Note: You can link additional alarms like VS01F, VS02F, VS03F, VC22FR, VC21F, VH01F, VH03F , Etc. with alarms purchased in a bundle. Up to 30 alarms can be linked together. Also,you can add more than 10 remote control RC07 to the bundle to test,mute and pair.