The combination smoke carbon monoxide detector provides continuous protection from smoke and carbon monoxide even during power outages. A red LED will flash be accompanied by 3 long alarm beeps followed by a verbal warning that warns of fire carbon monoxide low battery. The test button ensures operating power. The alarm will automatically activate when its attached to the mounting bracket. The alarm includes a Replacement Alert: after 10 years of use it will chirp 2 times every 30 seconds to indicate the alarm needs to be replaced. The Replacement Alert can be silenced for 3 days at a time maximum of 30 days. Meets requirements of UL 2034 UL217 NFPA72 The State of California Fire Marshall NFPA 101 FHA HUD. EAN: 0047871297450 Package Dimensions: 8.7 x 6.2 x 6.1 inches
- 2-in-1 Detection – Smoke carbon monoxide detector combo alerts you to both smoke fire events as well as poisonous CO gas in a single device
- Photoelectric sensor detects visible fire particles associated with slow smoldering fires while the electrochemical sensor detects carbon monoxide
- An 85-decibel alarm sounds a red LED indicates the smoke detector is sensing smoke or fire
- Lithium battery operated: eliminates the need for battery replacement provides reliable detection even during power outages
- Test-Hush button makes it easy to test the smoke detector and silence false alarms that occur from cooking or shower steam
- The alarm will automatically activate when it is attached to the mounting bracket there are no pull tabs no switches everything is automatic
- At the end of alarm life the unit will chirp indicating the alarm is in need of replacement