* 9V DC battery operated
* Flash alarm indicator (red)
* 85 db alarm signal within 3 m
* Solid connections and battery included
* Low battery signal
* Test button
* Size: (diameter) 101× 34mm
* Flash alarm indicator (red)
* 85 db alarm signal within 3 m
* Solid connections and battery included
* Low battery signal
* Test button
* Size: (diameter) 101× 34mm