Description: 【Comprehensive Air Quality Monitor】: This 15 in 1 air quality detector is equipped with multiple high accurately sensors, capable of detecting 10 different air quality parameters including CO, CO2, formaldehyde (HCHO), TVOC, and various PM particles (0.3, 1.0, 2.5, and 10). It provides fast and accurate reading down to the thousandth unit 【User Friendly Display and Connectivity】: Featuring a 2.8 inch TFT color display, this device clearly presents all detection data at a glance. It also supports WiFi connectivity for smart integration with other devices 【Long Last Battery Life】: The built in rechargeable battery has a capacity of 2000mAh and supports Type C charging. With power management features, it offers up to 5h of operate with the screen on and up to 7h in standby mode 【Innovative Design for Precision】: The detector's innovative design includes double side large ventilation holes that ensure thorough contact for more accurate measurements while maintaining quiet operate 【Convenient Features】: In addition to its primary function as an air quality monitor, this device includes clock and alarm functions for added convenience in your daily routine Specification: Material: PP Battery: 2000mah Size Chart: 7cmx3.5cmx9cm/2.76inchx1.38inchx3.54inch Package Includes: 1 Air Quality Meter 1 USB Cable Note: Please allow slightly errors 1-2cm/0.39-0.79inch differences due to manual measurement.