Kidde KF31 Sentry Mains Powered Heat Alarm with 9V Alkaline Battery Back-Up c/w Quick Fit Base

HEAT DETECTORS FOR HOME: The Kidde Firex Sentry KF31 mains powered heat alarm has a 9V alkaline backup battery for continued protection during power outages 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 OPTIMISED FOR HIGH RISK AREAS: With a thermistor heat sensor for accurate and responsive detection, this unit is ideal for kitchens and garages, areas where a smoke alarm isn’t suitable LINKED SMOKE ALARMS: The Kidde Firex Sentry KF31 functions as a standalone unit or can be wired with up to 24 other mains powered smoke (KF21) or heat (KF31) alarms. All alarms sound simultaneously if one is triggered LOUD & CLEAR ALERTS: 85dB alarm at 3 metres ensures you hear warnings throughout your home, with test & hush button for easy testing and silencing SAFETY APPROVED: CE and UKCA marked, and Kitemarked to the most up-to-date British Standards Institute (BSI) standard for heat alarms (BS 5446-2: 2003). Suitable for BS 5839-6 Grade D2 installations SECURE: The alarm has a tamper resistant locking device, preventing unauthorised removal, ideal for student or rental accommodation