Yale Easy Fit Smoke Detector Combi Detector Wireless

- Compatible with all easy fit alarm kits- 2 year guarantee- activates your house alarm in the event of a fire- built in siren that sounds on the device when smoke is detected as well as on the control panel & external siren- includes test button for range testing

- Compatible with all easy fit alarm kits- 2 year guarantee- activates your house alarm in the event of a fire- built in siren that