Monitor climate data anywhere from a wine cellar to your backyard with La Crosse Technologys 308-1417BL Backlight Wireless Forecast Station. Wireless technology boasts a 915 MHz transmission that sends data quickly and up to 330 ft. from the sensor to the display. Backlit display can be set to high, low and off, ensuring its always easy to read. Forecast icons let you check future trends at a glance. Integrated atomic clock with an alarm and calendar. Tracks indoor and outdoor temperature and humidity as well as barometric pressure. Provides daily high- and low-records for temperature and humidity, while an easy-to-read graph lets you track barometric pressure readings from the past 24 hours. Adjustable temperature alerts are ideal for monitoring greenhouses. Indoor temperature range between 32F and 99F, while the outdoor ranges from -40F to 140F. Records humidity between 10% and 99%. Display includes a 5-volt AC power adapter and can also run off three AA batteries (not included) for portable use. Sensor requires two AA batteries (not included). Receiver: 6.88L x 1.25 W x 6.42H. Sensor size: 1.57L x 0.79W x 5.12H. Cancer and Reproductive Harm- www.P65Warnings.ca.gov. Type: Weather Stations.