(1PC) Carbon Monoxide Detectors with Digital Display EN 50291

(1PC) Carbon Monoxide Detectors with Digital Display EN 50291 Description

(1PC) Carbon Monoxide Detectors with Digital Display EN 50291 Description
Faster Response to CO Levels
Detecting CO levels from 30 to 999 ppm, this alarm quickly informs you of real-time CO concentration in the surrounding air and will respond in under 3 minutes if the concentration level exceeds 300 ppm, keeping your family safe and sound.
Alarm Standard from LCD Display PPM
the alert time depend the level of carbon monoxide concentration.
50ppm, alert within 60 to 90 minutes;
100ppm, alert within 10 to 40 minutes;
300ppm, alert within 3 minutes.
Replaceable Batteries
Powered by 3 1.5 V AA batteries, the alarm delivers constant protection against CO, even during power outages, and will alert you with both an audial and visual reminder when it's time to replace the batteries.
With an easy-to-press test/silence button, you can manually test the alarm to ensure everything is working properly or temporarily silence any annoying false alarms.
Package：
Package:
1/2/4 X
Carbon Monoxide Detectors