Know how much rain you got overnight on the new digital wireless rain station. Numeric measurements are monitored on the digital indoor base including historical data and a cylinder rain graph. Wide-mouth rain bucket self-empties from collection rocker and transmits up to 300ft (91m.) Adjustable settings and customizable rain alert, you can personalize to your liking. Requires 4 AA batteries (not included) for operation.Self-emptying rain bucket (empties via internal tilting rocker) Rainfall readings: Current, 1hr, 24hr, 7 Days, Month, Year & Total since initial setupRainfall readings (Inch/mm)Rainfall History (12 Months)Cylinder graph (These numbers will change with increased rainfall amount)24 Hour customizable rain alertIndoor Temperature (toggle with calendar view)12/24 Time displayCalendar: day, month & dateSensor signal strength iconLow battery indicatorWall hang or table standTransmission range up to 300ft. (91m)Rain range up to 393.6 inches (0-9999mm)Station requires 2 AA alkaline batteries (not included)TX14R sensor requires 2 AA alkaline batteries (not included)