Smartwares Optical Smoke Detector, 10 Years Lifetime, 5 Battery, Test & Silence Button, 4 Pack

EU CERTIFIED: Be notified of any fire start with this set of 4 Smartwares FSM-11514 smoke detectors, meeting all European safety standards (EN14604 standard). EASY INSTALLATION: It is recommended to install one on each floor or one per area of 20-40 m². So this set of 2 is ideal if you have a large house. Mounting material is included. See the instruction manual for more information. Also available as single or in packs of 2. PRECISE OPTICAL SENSORS: These smoke detectors are equipped with photoelectric sensors (also called optical) with a lifespan of 10 years. Very sensitive, the detectors warn you very early. They are very effective at detecting smoldering fires and false alerts are reduced. BATTERIES INCLUDED: The FSM-11514 smoke detectors are each powered by a 5-year 6LR61 alkaline battery, which you only need to replace once in the life of your device. TEST/SILENCE KEY: Test the proper functioning of your devices with their test button every month. This button also allows you to put your detectors in silent mode in case of false alarm., Weight: 0.2866009406 Pounds, Manufacturer: Smartwares