The Digital Rain Gauge delivers precise, reliable rainfall measurements directly from your backyard. Its easy-to-read LCD screen shows totals for the current day, the day before and the past 7 days. Features a customizable rainfall alarm that alerts you when your preset rainfall total is reached, warning you of potential flood conditions. Alerts can be set starting at 0.25-inches up to 4-inches. This rain gauge makes a great gift for the gardener or casual weather-watcher in your life. Gauge easily hangs on your wall or can be placed on a shelf for easy viewing. Wireless range up to 100 feet. Three “AAA” and two “AA” batteries are needed to power the display and rain gauge respectively (not included).