Oregon Scientific RMR683HGA Wireless Indoor/Outdoor Thermometer with Indoor Humidity and Self-Setting Atomic Clock

Features Temperature readings from up to 3 remote locations Indoor humidity Automatically sets itself to the U.S. Atomic Clock & adjusts for Daylight Saving Time Temperature and humidity trend indicators Heat index and comfort level indicators High/low temperature and humidity alarm Ice alert Clock and calendar in English, French, German, Italian, and Spanish Crescendo alarm with snooze function Wireless sensor has up to 100-ft transmission using 433MHz frequency Moon phase Outdoor temperature range from -22F to 140F 3 AAA batteries required, not included