Smoke Alarm, Battery Powered, Battery life up to: 1 year, EN 14604, With test button

Smoke detector to increase safety at home or in business environments. If its sensitive sensor detects smoke, it immediately activates a built-in siren (> 85 dB). The detector is equipped with a low-battery alert and a test button to verify the device is in good working order. Please carefully read the information in the included manual with advise on proper installation, maintenance and use.