Working voltage:DC3V, built-in lithium battery Standby Current:8.2uA Alarm Current:<60mA Battery Life:10 years Sound Level:>85dB Alarm mode:siren with flash (Buzzer and Red LED) Standard:UL 217, UL2034 Carbon monoxide fire alarm is equipped with combination photoelectric smoke and electrochemical CO sensors that work independently of each other; instantly notifies you when dangerous smoke or CO concentration is detected. Help keep your family safe with this battery-operated smoke and carbon monoxide alarm, equipped with a sealed 10-year lithium battery for continuous power with no replacement required during the 10-year life of the alarm. Test/Silence button enables you to test the alarm weekly, and to easily silence the alarm when false alarms occur. Constantly monitors itself and quickly warns you of faults or a weak battery, clearly informs you of the working status of the alarm with its 85 dB alarm and 3 flashing LED indicator. Easy to install in just minutes, simple and secure installation on walls and ceiling with the provided screws and anchor plugs. Include: 1* Smoke and Carbon Monoxide Alarm 1* User Manual 2* Screw 2* Anchor Plug
