Kidde 4 Pack Smoke Alarm 20SAR, Hardwired Interconnected, Photoelectric Sensor
*** No Mounting Screws are included. *** The Kidde 4 Pack Smoke Alarm 20SAR is a set of hardwired, interconnected smoke alarms with photoelectric sensors. These alarms are designed to provide early warning in case of a fire, thanks to their reliable photoelectric technology. With a battery backup feature, you can rest assured that your home is protected even during power outages. The Kidde brand is known for its quality and durability, making this smoke alarm a trusted choice for home security.