Improve the quality of life -- Temtop S1 can monitor the concentration of PM2.5 in the air, including AQI, temperature and humidity, helping you understand whether the environment is healthy and comfortable, and improving the quality of life. Visualize the Air Quality -- An air monitor that combines environmental comfort detection and air quality detection into one, with the right temperature and humidity for comfort and clean air for health. 2 in 1 Air Meter -- Innovative built-in miniature laser particle sensor not only gets the air quality data where you live but also detects temperature and humidity, measures category 1 carcinogen PM2.5. Sensitive & Accurate Sensors -- Adopt digital temperature and humidity sensor for higher measurement accuracy than traditional hygrometer and air quality monitor. Innovated Algorithms -- Innovative process to integrate the laser sensor and the product into one. Newly designed miniature laser sensor, with advanced algorithms to reduce energy consumption by 80%, and a maximum standby time of 60 days. Up Graded Working Modes -- ECO mode:60 days, A Mode : 20 days. Single press setting button to switch model, long press the setting button 2s to switch: ℉/℃. The Temtop S1 is an all-in-one environmental monitoring tool that integrates a digital thermometer, humidity meter, and advanced air quality tester with laser and Sensirion digital sensors for accurate readings of temperature, humidity, and PM2.5 levels. Designed for both indoor and outdoor use, this energy-efficient, battery-powered device offers easy magnetic mounting and real-time data display, making it an essential tool for enhancing indoor air quality and protecting your family's health.