Kidde 10Y29 10 Year Longlife Battery Optical Smoke Alarm for Home - Ten Sealed Lithium and sensor life warranty Ten-year matching protect homes, offering reliable, long-term safety peace of mind.

LIFETIME BATTERY: Equipped with a built-in 10 year sealed lithium battery which never needs replacing; Designed to last the full 10 year lifetime of your alarm 10 YEAR WARRANTY: Backed by a comprehensive 10 year manufacturer's warranty for complete peace of mind that your alarm will provide reliable ongoing protection EASY TO INSTALL: Suitable for most locations in the home, including hallways, living rooms, and bedrooms, and supplied with all appropriate fixings to ceiling mount your alarm LOUD & ACCURATE ALARM: Cutting-edge optical sensing technology ensures highly accurate smoke detection to reduce nuisance alarms; a loud 85dB warning alarm sounds when smoke is detected COMBINED TEST/HUSH: Central test and hush button allows for regular testing and easy alarm silencing. The ramp-up horn allows you to reduce the alarm volume to a more comfortable level during testing SAFETY APPROVED: CE and UKCA marked, and Kitemarked to the most up-to-date British Standards Institute (BSI) standard for smoke alarms (BS EN 14604:2005). Suitable for BS 5839-6 Grade F1 installations