Hallways Smoke Alarm with Escape Light

I908UK
Premium smoke alarm for protection to the family and home. Powerful escape light illuminates to guide you to safety during a fire. Hush button feature allows nuisance alarms (cooking, steam, etc) to be easily paused. Battery operated ionisation smoke alarm with a low battery warning chirp notifies you when the battery needs to be replaced. 2x 9V alkaline battery supplied as standard. Certified by LPCB and conforms to the latest European standard.
Five year manufacturers warranty. Replace alarm after 10 years.
Battery type: LR61-9V (supplied).