"You'll always know how much moisture your area has received with the La Crosse Technology Wireless Digital Rain Gauge. It sports rainfall display (in inches and millimeters), a cylindrical graph with 10 sections that change with rain readings, a 24-hour rain alert, a NOW rain event alert, rain records (Now, 1 Hour, 24 Hours, 7 Days, Month, Year, and Total), and monthly rainfall histories from past 12 months. The display also shows the time and date as well as the indoor temperature. Also features 2 low-battery indicators and a wireless range of up to 300'. Display requires 2 AA batteries (not included), and the rain sensor requires 2 AA batteries (not included). Display: 3.35""H x 3.55""W x 1.19""D. Sensor: 7.14""L x 3.43""W x 4.94""H. Imported.Manufacturer model #: 724-1409. Measures: Rainfall (in inches and millimeters) Cylindrical graph with 10 sections that change with rain readings 24-hour rain alert NOW rain even alert Rain records (Now, 1 Hour, 24 Hours, 7 Days, Month, Year, and Total) Monthly rainfall histories from past 12 months Date and time Indoor temperature Also features: 2 low-battery indicators Wireless range of up to 300' Includes rain gauge and display"