Self-emptying rain bucket empties via internal tilting cups; Rainfall daily history views time/date/day up to 365 days; Rainfall readings: 1 hour, 24 hours, 7 days, last month & total since initial setup; Indoor/outdoor temperature (deg F/deg C); Programmable rain alert; Date/day calendar; Sensor signal strength icon; Low battery indicator ; Requires 6 AA batteries to be fully functional;