User-Friendly Digital Display: The lar 2.8" color digital display provides clear and easy-to-read data. You can easily switch between Cu and Fahrenheit and choose from multiple display modes according to your preference. Additionally, the display features a clock and alarm function, making it a versatile device for your daily routine. allowing you to monitor data remotely and access historical data. With automatic time and date synchronization, you don't have to worry about setting it up manually. Portable and Long-Lasting: Designed with a built-in 2000mAh high-capacity battery, our air quality monitor offers long-lasting peormance without the hassle of wires. Its compact size and lightweight design make it easy to carry, making it suitable for various environments such as homes, offices, schools, warehouses, and agricultural ., Manufacturer: ZXZZAS