1. Temperature, Humidity, Atmospheric Pressure: This product measures temperature, humidity, atmospheric pressure, and other environmental parameters, accurately predicting future weather changes based on variations in ambient conditions. It is a fully functional home weather meter (barometer) that operates without batteries. 2. Suitable for Indoor and Outdoor Use: This weather station can be installed anywhere inside or outside your home. Since it is wireless, no nearby power outlet is needed. Use it in your home, garden, or even in your RV. The barometer performs well at altitudes up to 3,000 feet above sea level, making it suitable for many geographic locations. 3. BEAUTIFUL DECORATION: This elegant, traditional piece is for any stylish office, library, or restaurant. The weather station displays temperature (°F), air pressure (mmHg and inHg), and humidity (%). 4. Easy to Set Up and Calibrate: Setting up this weather station is simple. Just hammer nails into the wall or use a nail gun to hang the device. It features a black plastic cover with a sophisticated brass display and a glass lens. Calibration is straightforward by following the included instructions.