La Crosse Technology WS-7038UF Wireless Rain Monitor Measures and displays rainfall data using remote rain gauge Records rainfall for periods of 1 hour, 24 hours, or programmed periods Lets you monitor historical or recent data, such as weekly or monthly rainfall Includes rain alarm and self-emptying rain gauge Display measures 3-1/2 by 4-1/4 by 3/4 inches (W x H x D)