"Keep an eye on the conditions in your house with the AcuRite Pro Accuracy Indoor Temperature and Humidity Monitor. It displays the indoor temperature, humidity, and the day's high and low records to help you create a comfortable living space. This AcuRite weather station updates measurements every 10 seconds for pinpoint accuracy (within 0.5% for temperature and within 2%-4% for humidity). Display it on a shelf or tabletop, hung from a wall, or magnetically mounted to a fridge or other metal surface. Can be calibrated to get the perfect reading in your chosen room. Runs on 2 AAA batteries (not included). The AcuRite Pro Accuracy Indoor Temperature and Humidity Monitor includes a digital thermometer with hydrometer and an instruction manual. Mfrs. 1-year limited warranty. 3""H x 2.5""W x .88""D.Manufacturer model #: 01083M.Displays: Indoor temperature Indoor humidity The day's high and low recordsAlso features: Measurements update every 10 seconds Can be displayed on a tabletop, hung on a wall, or magnetically mounted Can be calibrated to get the perfect reading in your chosen room Includes digital thermometer with hydrometer and instructions"