| Metal rain sensor | Small size, easy to installation; high precision, good stability. | |
| Good linearity, long transmission distance, strong anti-interference ability. | ||
| Funnel at the design of the mesh, to prevent leaves and other debris to block the rain downstream. |
| insect net | Waterproof design | Built-in level | Double reed pipe |
| Meteorological observation | Agricultural guidance | Hydrology and water conservancy |
| Disaster prevention | Sponge city | Scientific research |