Contains both a smoke chamber & a heat sensor10 year rechargeable lithium battery back upinterconnectable with up to 20 unitsfast fix base includedhush featureloud 85db alarmtest buttontamper proof
Contains both a smoke chamber & a heat sensor10 year rechargeable lithium battery back upinterconnectable with up to 20 unitsfast fix base includedhush featureloud 85db
