Low cost effective smoke alarm suitable for general residential use.

Features & Benefits: High sensitivity - responds to all standard fires, Dual ionisation chamber – quick response to fast flaming fires, Battery powered - 9 volt (supplied), Built in sounder to give a minimum sound output of 85dB(A) at 3m, Bleeps every 40 seconds when battery needs replacing , Easily installed - no wiring, Test Button simulates smoke - use to check performance at least monthly, 5 Year guarantee (limited).

Approximate Dimensions: 4.75" W x 4" H x 2"D