The Rosenborg WS2811 professional weather station is a comprehensive meteorological instrument designed for precise indoor and outdoor environmental monitoring. It measures temperatures in Celsius and Fahrenheit, as well as relative humidity levels both inside and outside your home. The device features a colorful display that shows historical minimum and maximum values for temperature and humidity, and includes a built-in 12/24-hour clock. Additional functions include calendar information, moon phase data, and weather forecasting capabilities. This weather station can receive and display data from up to three separate sensor channels, allowing for multi-location monitoring. It operates on three AAA batteries for the main unit and two AA batteries for the sensor, with alkaline batteries recommended for optimal performance. With dimensions suitable for tabletop or wall mounting, this instrument provides reliable weather tracking for gardening enthusiasts, homeowners seeking climate control insights, and anyone interested in precise environmental data collection.