The AcuRite Color Digital Thermometer with Indoor / Outdoor Sensor and Clock delivers precise, reliable 2-zone temperature information. An easy-to-read digital thermometer LCD color display shows the current temperature for multiple locations. One temperature reading is taken by a built-in temperature sensor inside the digital thermometer display.An additional reading is taken by an indoor/outdoor thermometer sensor you can place either outdoors or in another room. Features include daily high and low records, a freeze alert icon, trend arrows, and a clock for convenience. The sleek, stylish display stands upright for tabletop use. The remote temperature sensor features powerful wireless technology, a weather-resistant design and an integrated hanger for easy mounting.