Features: This versatile device accurately measures CO, temperature, and humidity for added peace of mind. The CO detector features an efficient electrochemical Sensors that quickly detects CO concentrations. Its user friendly designs allows for easy operatiing, making it suitable for various environments. Suitable for homeowners, travelers, and individuals concerned about CO safety, this CO detector provide protections against potential hazards. Whether at home, in your car, and in a hotel, this CO detector is essential for any location where CO may be present. Stay alert to potential leaks and keep yourself safe. With its wear resistant battery and continuous monitoring, you can rely on this device to protect you in any situation. Specifications: Material:ABS Detection Ranges: 0-999PPM Temperature:0-50 Humidity:0-99%RH Input Voltage: 5V 2A Battery: Builtin 3.7V, 800mAh Charging:USB C Color:White,Orange Size:Approx.85mm/3.35''x50mm/1.97''x17mm/0.67'' Note: Please allow 1mm errors due to manual measurement. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1x CO Detector 1x User Manual 1x USB Cable