Know everything about the outdoor and indoor temperature levels with the Wireless Weather Station. Easy to use, the large display is simple to read and understand. A great tool for everyone! A weather station can be a valuable tool to anyone who has a greenhouse or a wine cellar - it's an ideal way to easily monitor temperatures in sensitive areas. Even if you don't have a cellar or greenhouse - a weather station is just plain cool! This Weather Station is a great gift idea for that person who has everything! Using a remote sensor (which can communicate with the station at a distance of up to 330 feet), this weather station can tell you the outside temperature and humidity, as well as monitor indoor temperatures. You can record temperatures! This weather station is also a clock - with a large display and your choice of 12 or 24 hour time readings. This station can be free standing for desk use, or mount it on a wall! Both the sensor and the station use 2 AA batteries! This station can provide you with the following reading ranges: Outdoor Relative Humidity: 1% to 99% - - - Outdoor Relative Temperature Range: -39.8 degrees F to 139.8 degrees F - - - Indoor Temperature Range: 14.1 degrees F to 139.8 degrees F .