1. E-ink screen home hygrometer; data is clearly visible at various brightness levels and viewing angles. 2. Bluetooth-enabled for smartphone app connectivity; compatible with smart home devices controlled via the app. 3. High-sensitivity, accurate Swiss-made sensor for precise temperature and humidity measurement. 4. Three mounting options for flexible placement in any location. 5. Simple, intuitive comfort-level indicator. Low-power E-ink display powered by a single CR2032 button battery (up to 1 year of operation). Switchable between Celsius and Fahrenheit display. Recommendation: The E-ink digital temperature and humidity meter provides clear, real-time readings of indoor conditions. With smartphone app integration, it can automatically log daily temperature and humidity data—helping you monitor your living environment and make informed decisions about climate control, such as adjusting air conditioning or opening windows for ventilation. Designed to simplify and enhance everyday life. Color: As shown Material: Plastic + metal Package Contents: 1 x MHO-C401 Smart Bluetooth Thermometer Hygrometer Note: The actual product color may vary slightly due to lighting conditions and screen settings. Measurement tolerance: ±1–3°C for temperature, ±3–5% RH for humidity.