120 V AC Hardwired Smoke Detector with 9 V capable Battery Backup: This mains-powered smoke detector will continue to function in the event of a power outage due to its replaceable 9 V battery backup, for uninterrupted protection of your home ...
This hardwired smoke detector with battery backup uses an ionization smoke sensor to detect smoke from hot, fast flaming fires. No need to rewire!
220V-240V Hardwired Photoelectric Smoke Alarm Ukca Interlinked Smoke Detector for Welsh US$12.00 500-999 Pieces US$11.50 1,000-2,999 Pieces US$11.00 3,000-4,999 Pieces US$10.50 5,000+ Pieces Product Details Customization: Available Type: Heat Alar...