Hispec Battery Operated Smoke Detector Twin Pack, 10 Year Sealed Lithium Battery, Hush Feature, 85dB Alarm, Low Warning, Power/Alarm Test Button, Wall Plugs & Screws Included

10 Year Sealed Battery: Lithium battery powered alarms do not require battery changes for the full ten-year life of the alarm, allowing for additional peace of mind Optical Smoke Alarm: Photoelectric technology provides early detection of the smouldering beginnings of a fire, while being less prone to false alarming Test & Hush Button: Push and hold the test button for approx. 3 seconds and the alarm will sounds to indicate the correct function. The hush button can be applied when the alarm is sounding to silence the alarm function for 10 minutes End of Life Warning: When this alarm reaches the end of its 10 year lifespan, it will chirp intermittently to alert occupants that a new unit is required Fully Compliant: Hispec alarms are UKCA & CE marked, as well as being fully compliant with BS EN14604:2005 5 Year Manufacturer’s Warranty, Weight: 0.771617917 pounds, Manufacturer: Hispec Electrical Products Ltd