Help protect your home with First Alert's hardwired combination smoke and carbon monoxide alarm with battery backup for continuous protection during power outages. View now.
This hardwired ionization smoke alarm with battery backup uses an ionization smoke sensor to detect smoke from hot, fast flaming fires. No need to rewire!
10 Years Lithium Battery Smoke Alarm with RF Module US$5.70-6.50 / Piece RF 433MHz 10 Years Lithium Battery Smoke Alarm US$5.70-6.50 / Piece 3V Battery Wireless Smoke Detector with Bsi Certificate US$4.50-6.50 / Piece En14604: 2005/AC: 2008 Smoke ...
X-Sense Hardwired Combination Smoke and Carbon Monoide Detector, Hardwired Interconnected Smoke and CO Detector Alarm with Replaceable Battery Backup,P04, 6-Pack 超值好货。最新爆款商品折扣 X-Sense 硬连线 烟雾与一氧化...
⦁ A test button, which is also the mute button. Test your smoke alarm once per week to ensure that it is functioning properly. ⦁ A flashing LED light to inform you that the batteries have to be replaced ⦁ An audible sound in case of low battery power ...