First Alert 1039879 Smoke (SA303) & Carbon Monoxide (CO400) Detector Combo Pack Category_Amp Accessories scroll button

scroll button

Sensitivity  99 dB

Use it on metal

Use the phone to make and receive phone calls

Complete with Stainless Steel Mounting Hardware

First Alert 1039879 Smoke (SA303) & Carbon Monoxide (CO400) Detector Combo Pack Category_Amp Accessories scroll buttonModel number SCO403; Bundles together a smoke alarm & carbon monoxide detector; Ionization smoke sensor reliably detects smoke from fast flaming fires; Electrochemical sensor accurately detects carbon monoxide; Battery operated alarms install easily without the aid of an electrician; Loud 85dB alarms; SA303 has 10 year limited warranty & CO400 has 5 year limited warranty; Includes 2 9V batteries & mounting bracket;