The AcuRite 4.5" Silver Digital Indoor / Outdoor Thermometer delivers precise, reliable 2-zone temperature information. An easy-to-read digital thermometer LCD screen shows the current temperature for multiple locations. One temperature reading is taken by a built-in temperature sensor inside the digital weather thermometer display. 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. The sleek, stylish display stands upright for tabletop use and is wall-mountable. The remote temperature sensor features powerful wireless technology, a weather-resistant design and an integrated hanger for easy mounting.