Headwinds Wireless Digital Rain Gauge
For a wireless digital readout rain gauges this is the one your need. Like the digital rain gauge and thermometer combo unit, this tracks daily, weekly, monthly, and yearly rainfall and its display is a black on grey readout. It contains a clock as well.
The outside rainfall accumulator send the information to the readout unit inside. It is self emptying, so you never have to touch it once it is mounted.
Batteries not included (2 AAA and 2 AA.) Inches/mm selectable and Celsius/Fahrenheit selectable. Mounting hardware included.