These alarms provide ultimate protection from a deadly threat, and they are packed with innovative features that give you precious time in the event of a fire. Since these alarms are able to wirelessly communicate with each other and other ONELINK devices, they can help you create a whole-home safety network. This product comes with two alarms and an instructional DVD to maximize safety value.
- Simple-to-use silence/test button
- Low-battery warning and convenient pullout battery drawer
- Uses photoelectric-sensing technology
- 10-year limited warranty