General description This Carbon Monoxide Detector is a portable and rechargeable 3-in-1 device that measures carbon monoxide concentration, temperature, and humidity. Equipped with a high-quality electrochemical sensor, it has a lifespan of 10 years and continuously monitors CO levels, displaying real-time data on its LCD screen. Ideal for homes, RVs, campers, and boats, especially those with fireplaces or gas stoves, it provides effective protection against carbon monoxide exposure. Technical specifications Battery: 1000 mAh, offering 60 hours of battery life Detection range: 0 to 999 ppm CO concentration with an accuracy of ±5 ppm Coverage area: 20-40 m² Temperature and humidity updates: every 2 seconds Alarm sound level: 85 dB when CO exceeds 50 ppm Display: 2.48-inch LCD screen Installation Can be placed on a surface or mounted on a wall Compact and discreet design for flexible placement Usage Self-test function to ensure proper operation Low battery warning for timely recharging