Features: Ensure safety with our CO Detectors! This device warns of carbon monoxide level and provide temperature and humidity monitor for comprehensive view of indoor quality. Our CO Detectors features a reliable that measure carbon monoxide, temperature, and humidity simultaneously. With accurate data and a easy to read display, you can monitor your environment and make inform decisions. Suitable for homeowners and individuals concerned about their health, our CO Detectors is a valuable tool for maintaining a safe environment. From home to workplaces, our CO Detectors is a valuable tool for everyone around. Whether monitor combustion device, industrial processes, potential car emissions, this device offer peace wherever. Trust in our CO Detectors, which meet stringent safety standard. With its user friendly, rechargeable battery, and data updates, this device provide convenience without compromising on quality. Specifications: Material: ABS Battery: 2xAAA Batteries Required(NOT Include) Working Current: 8-10mA Measuring: CO, Temperature, Humidity Product Size: About. 59x59x19mm/2.32x2.32x0.75in Package Size: About. 93x76x32mm/3.66x2.99x1.26in 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. Package includes: 1x CO Detectors