Three Pack Hardwired Smoke Detector With Photoelectric Sensor And 9 Volt Battery Backup 120 Volt Interconnected Easy Setup No Fuss Silence And Test Button Dust Cover 85 Decibel Alarm White

Three-Pack 120V Hardwired Smoke Detectors Photoelectric
✔️ Includes 3-pack interconnected alarms with 9V battery backup

This 3-pack of hardwired smoke detectors uses photoelectric sensors and a 9-volt battery backup to provide reliable home safety. Designed for residential use and multi-dwelling buildings, these interconnectable alarms link up to 18 devices to warn everyone at once.

✅ 3-pack of 120V hardwired smoke alarms with photoelectric sensor and 9V backup
✅ Interconnectable with up to 18 compatible devices (12 alarms + 6 accessories) for coordinated alerts
✅ 85 dB audible alarm with latching indicator to show which unit triggered
✅ UL 217 compliant with 10-year limited warranty and end of life signal
✅ Includes mounting bracket, dust cover, and 9V backup battery for easy setup

💡 What is a photoelectric interconnected smoke detector used for? This handy device helps protect multiple areas by sounding all linked alarms when smoke is detected. - In homes with multiple rooms, it ensures the alarm is heard throughout - It uses a photoelectric sensor to detect slow burning fires - Interconnection provides fast, coordinated alerts across the house - Battery backup keeps protection active during power outages