1. E-ink screen home hygrometer, data can be clearly read in brightness and at various angles. 2. Smart Bluetooth connectivity for app control; compatible with smart home appliances via the app. 3. High-sensitivity and accurate sensor from Switzerland, capable of detecting subtle changes in temperature and humidity. 4. Three mounting options—designed to blend seamlessly into any environment. 5. Simple and intuitive comfort-level indicator. Low-power E-ink display powered by a single CR2032 button battery (up to one year of operation). Switchable between Celsius and Fahrenheit display. The E-ink digital temperature and humidity meter provides clear, real-time visual information on current ambient conditions. With increasing smartphone integration, automatic daily temperature and humidity logging helps monitor indoor environmental conditions, supporting decisions such as adjusting air conditioning or opening windows for ventilation. Enhances everyday convenience and smart living. Color: As shown Material: Plastic + metal Package Contents: 1 x MHO-C401 Smart Bluetooth Thermometer Hygrometer Note: Slight color variation may occur due to lighting conditions and screen settings. Measurement tolerance: ±1–3%.