John Lewis SA700JL Optical Smoke Alarm

The John Lewis SA700JL smoke alarm features optical technology to reduce false alarms caused by cooking smoke and shower steam. It uses a loud 85dB alarm and there’s a Test and Silent button and a low battery warning. Where to place your alarm: One on every level of the home and one in each sleeping area. Note: This product is intended for domestic use. All John Lewis Alarms conform to regulatory requirements including EN14604