First Alert® SC9120B Smoke/Carbon Monoxide Alarm w/Battery Backup, 120V

The First Alert Hardwire Combination Smoke/Carbon Monoxide Alarm wires directly into your home's electrical system. In the event of a power outage, this alarm has been equipped with a 9V battery backup to provide optimal protection. The realization of ionization technology combined with an electrochemical sensor ensure optimal safety. A Mute Button has been included to serve the dual purpose of silencing nuisance alarms brought on by cooking smoke and shower steam. This button also allows you to test the functionality of your alarm.

• 120V AC with 9V battery backup
• Uses ionization technology and an electrochemical sensor
• Simple to use silence/test button with low battery chirp warning
• Tamper resistant locking pins
• Universal mounting bracket
• Latching alarm indication
• Emits T3 Pattern.

Shipping calculated at checkout.

Not shipped to AK, AE, AA, AP, FM, GU, HI, MH, MP, PW, PR, VI.

Returns accepted within 30 days by mail. Return shipping is paid by the customer. See our refund policy.