LCD display temperature humidity monitor sensor provides accurate real-time measurements with a Swiss sensor, remote access and automation via Mi Home app, and long battery life. It offers three installation options for convenience. Features: Clear LCD Display: The LCD display shows readings with very low power consumption, making it easy to read. Accurate Measurement: Built-in Swiss sensor provides accurate real-time measurements. The measurement range is -9.9 to 50°C (14~122°F) and 0%~99.9%RH (non-condensing environment). Remote Access and Automation: Access data and set automation in the Mi Home app. Remote access, historical data retrieval, and automation setting require the Mi Home BT gateway. Three Installation Options: Can be fixed on the wall with the included wall sticker, placed on the desktop with the included stand, or fixed on an iron surface with the built-in magnet. Long Battery Life: The product has a battery life of up to 10 months under normal indoor conditions, using low-power segment LCD display and BT low-power technology. Specifications: Color: White Screen Size: Diameter 49.9mm / 1.96in BT Specification: Low-power BT 5.0 Temperature Range: -9.9~ 50°C Humidity Range: 0 ~ 99.9% (non-condensing environment) Battery Type: CR2430 Button Battery(Included) Size: 60.5x60.5x13.7mm / 2.38x2.38x0.54in (excluding desktop stand and wall sticker) Weight: 38g / 1.34oz (excluding stand, wall sticker, and battery) Package list: 1 *LCD Display Sensor 1 *Stand 1 *Wall Sticker 1 User Manual