2-in-1 Technology: Smoke and carbon monoxide detector are equipped with photoelectric and electrochemical sensors that respond quickly when alarm sensitivity is reached
Low Battery Alarm Feature: The carbon monoxide detectors will chirp when the batteries are low, alerting you to the need for new batteries
One Button Test: Simply press the test button to check the battery and alarm operation of the fire alarms smoke detectors with audible and visual alerts
LCD Display: The smoke alarm is equipped with an easy-to-read display. Under normal conditions, the screen remains off to conserve power and not disturb sleep
Easy to Use: This carbon monoxide detectors/smoke alarm with 3*1.5V AA batteries, mounting kit, and easy to read English instructions
