The AcuRite digital indoor outdoor thermometer delivers precise;reliable multi-zone temperature Information. An easy-to-read LCD screen shows the current temperature for multiple locations. One temperature reading is taken by a built-in sensor inside the digital weather thermometer display. An additional reading is taken by a wireless thermometer sensor you can place either outdoors or in another room. Features include daily high and low records and a 12-hour clock. The sleek;stylish display stands upright for tabletop use and is wall-mountable. For a multi-zone wireless weather thermometer solution;you can connect up to two additional wireless sensors (model 06002RM; sold separately);to monitor a total of four locations (including the display's built-in thermometer). when used with multiple wireless sensors;if desired;the display can be set to auto-cycle through each sensor's readings. The digital weather thermometer sensor features powerful wireless technology;a weather-resistant design and an integrated hanger for easy mounting. Limited one-year warranty.