Kidde Firex KF20R Optical Smoke Alarm Mains Interlinked with Rechargeable Lithium Battery

The Kidde Firex KF20R Optical Smoke Alarm with Built-in rechargeable Lithium back-up is a high-performance mains-powered smoke detector with battery backup, designed to provide reliable fire detection across domestic properties.

With the ability to interlink up to 23 alarms, the KF20R ensures that when one alarm detects smoke, all connected units sound delivering full-property protection and early warning.