"This Digital Rain Gauge with Temperature has a wireless self-emptying rain collector for measuring rain fall and temperature. The wireless rain collector sensor transmits data by using a low power radio frequency to the display main unit that can be located up to 150m away (line of sight). The display unit stores the data over a time range to allow you to monitor and analyse the weather status for past 24 hours. It has advance features such as the HI/LO Alert alarm to alert you while the set high or low weather criteria are met. The system also analyse rainfall in terms of rain rate, hourly, daily, weekly, monthly and yearly records for your convenience. With Radio-controlled / Atomic clock feature built-in, the system is truly a remarkable personal but professional rain gauge for your own backyard.