Mercury 10 Year Life Span Smoke Alarm with Sealed Battery & Hush Button Feature, White

Long-lasting peace of mind | Sealed 10-year lithium battery means no replacements or maintenance Quick and reliable smoke detection | Photoelectric sensor responds rapidly to visible smoke from smouldering fires Simple to install and test | Includes fixing kit, with large test/hush button for easy operation Reduced false alarms | Hush feature temporarily lowers sensitivity for up to 10 minutes when needed Trusted UK safety standard | Conforms to EN14604:2005 AC/2008 for reliable performance and safety assurance, Weight: 0.0220462262 Pounds, Manufacturer: Mercury