Features: Brand new and high quality Keep your family safe with this Carbon Dioxide detector that provides comprehensive information on temperature, humidity, and CO2 levels. This portable CO2 meter is perfect for travel/camping. Its compact size and rechargeable battery make it convenient to use wherever you are. Suitable for various environments, this CO2 detector is essential for anyone concerned about air quality. Stay aware of potential carbon Dioxide risks in different settings. Use this CO2 detector to monitors combustion devices like gas stove and heaters. Detect CO2 concentrations and take necessary precautions for safety. Prioritize the well being of your love by choosing this CO2 detector. Its accurate readings and easy to read display ensures peace of mind in any space. Specifications: Material: ABS Battery capacity: 800mAh Size: about 1.7x5x8.5cm/0.67x1.97x3.35inch Package Includes: 1xCarbon Dioxide Alarm 1xManual 1xUSB Cable note: Please allow 1 to 3cm error due to manual measurement, please make sure you do not mind before you bid, Due to the difference between different monitors, the picture may not reflect the actual color of the item.