The AcuRite Digital Comfort Level Thermometer with Wired Probe delivers precise, reliable temperature readings in multiple locations. The main unit displays indoor temperature and outdoor comfort level where ever the probe is placed. Measure the outdoor temperature with the weatherproof and water-resistant wired temperature sensor probe. The bold, easy-to-read LCD screen shows a colourful outdoor comfort meter to indicate a cold, hot, or ideal comfort level. The external temperature sensor probe is 6 feet long for easy positioning outside a window, door, or inside a cage or other area. Featuring built-in foldout kickstand and hang hole, the display can stand upright for tabletop use or can be mounted on a wall. Not intended for permanent submersion in liquids.