The Kidde KF20 Wired Smoke Alarm is a reliable and essential home security device that operates on both battery and hardwired power sources. With a sleek white design and a diameter of 127mm, this smoke detector features a replaceable backup battery for continuous protection. The alarms are interconnected, providing a comprehensive security solution for your home. Backed by a 6-year manufacturer warranty, this smoke alarm is built to last and safeguard your living space with an operating sound rating of 85 dB.
eBay