Taylor Indoor/Outdoor Thermometer with Indoor Humidity Reading has Dual Display Shows Indoor Temperature and Humidity Simultaneously and Button Changes Display to Show Outdoor Temperature. It is easy to read digital display. It has Minimum and Maximum temperature readout with memory. Clock has 12 hour/24 hour time function. Its features include 2.0'' dual LCD display, 10'' sensor probe with fixed cable, Wall mount or sit on a desk, Metallic silver color. It requires 2 "AA" batteries (not included).