General description This portable carbon monoxide detector is compact and lightweight, making it ideal for use in cars, RVs, while traveling, or camping. Once turned on, it continuously monitors carbon monoxide concentrations, providing protection against potential carbon monoxide poisoning anytime, anywhere. Technical specifications Built-in rechargeable lithium battery: 1000 mAh Operating time: Approximately 70 hours in standby mode Detection frequency: Every 2 seconds Alarm threshold: CO concentration above 50 ppm Sensor lifespan: Approximately 5 years Other information This CO detector is equipped with air temperature and humidity sensors, allowing it to accurately measure and display air temperature and humidity readings on the screen.