Features: Ensure safety with our Portable Carbon Monoxide Detectors for Travel, combines CO detection, Temperature, Atmospheric Pressure, Altitudes and Humidity monitoring. This rechargeable CO monitors offers long service time and includes easy placement in any environment, ensuring reliable performances wherever. For traveler, owners, industrial workers, property managers, and security personnel who need air quality monitoring in various setting. Perfect for use in homes, kitchens, garages, basements, factories, workshops, and public buildings, providing peace with high sound alarms alerting you to potential dangers. Crafted from ABS material, this tool is to withstands rigorous use while maintaining accuracy, making it a essential addition to your safety toolkit. Specifications: Material: ABS Measuring: Atmospheric Pressure, Temperature, CO Valves, Altitudes, Humidity Size: About. 112x75x28mm/4.41x2.95x1.1in Package Includes: 1pc Carbon Monoxide Detectors note: Please allow 1-2cm errors due to manual measurement. Due to difference between different monitors, the picture may not reflect the item actual color.