First Alert Hardwired Smoke & CO Alarm – 120V with Electrochemical/ Ionization Sensors

Description

• Electrochemical & ionization sensor
• Designed for hardwired installation, but features a 10-year battery back-up allowing the unit to function if the power goes out
• Hardwire adapter so there is no need to rewire
• Can be connected to other compatible BRK or First Alert CO/smoke detectors within a single family residence
• Includes single button silence or test function
• 10-year limited warranty