What type of battery does this device use?
It uses a DC 9V alkaline battery, which is easy to replace and widely available.
How long does the sensor last?
The high-quality electrochemical sensor has a lifespan of more than 7 years.
What levels of carbon monoxide will trigger the alarm?
The alarm activates according to the following thresholds:
50 ppm: within 60–90 minutes
100 ppm: within 10–40 minutes
300 ppm: within 3 minutes
How loud is the alarm sound?
The alarm reaches 85 dB at a distance of 3 meters — loud enough to wake you or alert you from another room.
Does this device meet safety standards?
Yes, it complies with the EN50291-1:2018 standard for household carbon monoxide alarms.