10 year lifespan lithium battery operated independent smoke detector EN14604 standard

Main Features:

> Battery OperatedLong-life lithium-ion battery sealed in the alarm to lengthen its lifetime to 10 years in a standby condition.> Operating Light (LED)Flashes approximately every 53 seconds confirming the unit is powered.> Low Battery WarningAlarm beeps every 40 seconds when the battery needs replacing.>Alarm Pause (Hush mode)e alarm by momentarily pressing the test button when non-emergency smoke (e.g. steam), causes nuisance alarms. The red light flashes every 10 seconds to remind you that the smoke alarm has been rm will automatically reset after 15 minutes.

>Sensitivity Test ButtonTest the sensitivity, circuitry, batteries, horn.>Loud 85 Decibel Piezo Electric AlarmAutomatically resets when the hazardous condition has passed.>Easy InstallationFixings supplied