Waterproof Wind Speed Sensor Analog Output Three Cup Anemometer Meteorological
It is the spare part (rain meter) for the professional weather station,

Model: WH-SP-WS01
Material:Plastic
Colour: White

Package Contents:
1 * Anemometer
Only the above package content, other products are not included.
Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.