About this item

• Fire & CO detector in 1 unit with alert modes, LED lights, & voice alarm, that states, "Fire Fire", "Warning Carbon Monoxide", or "Low Battery"
• Ionization & Electrochemical sensor technologies - smoke detector detects invisible fire particles, while the CO alarm detects poisonous carbon monoxide gas; 85 decibel alarm alerts of fire
• Protects during a power failure - combo smoke and CO alarm operates on 2-AA batteries
• Test-Hush Feature - silences the unit for approximately 9 minutes
• UL Certified, 10-year limited warranty