First Alert 7010B Hardwired Photoelectic Smoke Alarm With Battery Backup

Key Features

• 120 V hardwired smoke alarm wires directly into your home's electrical system
• Photoelectric sensor detects smoke from smoldering fires while minimizing false alarms
• Universal mounting bracket and plug-in power connector for hassle-free installation
• Equipped with OptiPath 360 for more comprehensive detection
• Smoke detector can integrate with up to 18 compatible devices for extended coverage
• Easy installation
• Battery backup for detection during a power outage
• Single button for test/silence

Smoke alarms battery backup hard wired - 120 volt - white Wired-in 120 volt 60 Hz AC powered with 9 volt battery back-up, side load battery drawer and dust cover. Photoelectric smoke sensing chamber, 85dB horn, single button test/silence, green LED power light and a red LED light that indicates either unit is op erating under DC power or is in alarm. Interconnectable with up to 18 devices, of which 12 can be smoke alarms. UL Listed.