- 3-in-1 environmental monitor: measures temperature, humidity, and air pressure, and uses changes in ambient temperature, humidity, and air pressure to predict future weather trends. It is a fully functional home weather meter (barometer) that requires no batteries. - Indoor and outdoor use: wireless design allows placement inside or outside the home without a nearby power outlet. Suitable for use at home, in the garden, or in a caravan. Barometers operate effectively up to 3,000 feet above sea level, supporting use in many geographic areas. - Classic decor and durable materials: traditional barometer with a rich dark cherry paint finish and wood frame. The unit displays temperature (in °F), air pressure (in mmHg and inHg), and humidity (in %). The back is housed in a black plastic cover with a brass display and glass lens. - Easy setup and calibration: straightforward installation by hammering or driving nails into the wall to hang the unit. Includes clear instructions for calibrating the barometer. - Practical use scenarios: - In a home study or library to monitor room climate and anticipate weather-related changes. - On a garden patio or outdoor seating area for real-time outdoor conditions without wires. - In a caravan or travel trailer to track weather while traveling, enhancing planning and comfort.