The Xiaomi Mi Temperature and Humidity Monitor 2 (LYWSD03MMC) is a compact device designed to keep you informed about your indoor environment. Its small, square white housing made of ABS and PMMA plastic measures 43 x 43 x 12.5 mm and weighs only 18 g, allowing you to place it discreetly anywhere using the included adhesive stickers or by hanging it up. Equipped with an LCD screen, the monitor provides precise readings with a temperature resolution of 0.1°C and humidity resolution of 1% RH. It connects to your smartphone via Bluetooth 4.2 BLE, integrating with the Xiaomi Home app to offer real-time monitoring, historical data tracking, and critical value alerts. The device operates on a single CR2032 battery, ensuring a steady power supply for consistent climate tracking in your home or office.