---
product_id: 253321282
title: "ECOWITT WH40 Wireless Self-Emptying Rain Collector Rainfall Sensor - Accessory Only, Can Not Be Used Alone"
brand: "ecowitt"
price: "€ 97.94"
currency: EUR
in_stock: false
reviews_count: 8
url: https://www.desertcart.ie/products/253321282-ecowitt-wh40-wireless-self-emptying-rain-collector-rainfall-sensor-accessory
store_origin: IE
region: Ireland
---

# 100m wireless range self-emptying funnel design 0.1mm/0.01in rain resolution ECOWITT WH40 Wireless Self-Emptying Rain Collector Rainfall Sensor - Accessory Only, Can Not Be Used Alone

**Brand:** ecowitt
**Price:** € 97.94
**Availability:** ❌ Out of Stock

## Summary

> 🌦️ Stay ahead of the storm with precision rain data at your fingertips!

## Quick Answers

- **What is this?** ECOWITT WH40 Wireless Self-Emptying Rain Collector Rainfall Sensor - Accessory Only, Can Not Be Used Alone by ecowitt
- **How much does it cost?** € 97.94 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.ie](https://www.desertcart.ie/products/253321282-ecowitt-wh40-wireless-self-emptying-rain-collector-rainfall-sensor-accessory)

## Best For

- ecowitt enthusiasts

## Why This Product

- Trusted ecowitt brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Effortless Self-Emptying:** Innovative funnel design automatically clears collected rain—no manual emptying needed.
- • **Precision Rain Monitoring:** Track rainfall down to 0.1mm increments for hyper-accurate weather insights.
- • **Real-Time App Integration:** View live rainfall data and historical trends on WSView Plus or Ecowitt App anytime, anywhere.
- • **Multi-Platform Compatibility:** Syncs with Ecowitt Wi-Fi Gateway, WH5360/HP3500 consoles, and uploads to Weather Underground & WeatherCloud.
- • **Seamless Wireless Connectivity:** Enjoy a robust 328ft (100m) transmission range for flexible sensor placement.

## Overview

The ECOWITT WH40 is a wireless, self-emptying rain collector sensor designed for precise rainfall measurement with 0.1mm resolution. It transmits data up to 100 meters and integrates seamlessly with Ecowitt’s Wi-Fi gateway and popular weather platforms, delivering real-time and historical rainfall insights via mobile apps. Note: This accessory requires pairing with compatible Ecowitt devices and cannot operate standalone.

## Description

ECOWITT WH40 Wireless Self-Emptying Rain Collector Rainfall Sensor - Accessory Only, Can Not Be Used Alone : desertcart.co.uk: Garden

Review: Works well - This was a replacement as the first one failed after a few years in a challenging environment next to the sea.
Review: Excellent value for money - Have had it for years. Good quality, never had any issues.

## Features

- 【Digital Rain Gauge Sensor】: Ecowitt WH40 rain collector sensor measures rainfall rate, daily, weekly, monthly and yearly data with 0.1mm/0.01inch resolution; allowing you to monitor the rain condition in your backyard/garden/farm/land crop with 328ft/100m wireless transmission range. [ Please Note : Accessory Only, Can NOT Be Used Alone. ]
- 【Live Data on APP】: requires to pair with the GW1100 Wi-Fi gateway(sold separately) - after finishing Wi-Fi configuration, the live rainfall data can be viewed directly on the WSView Plus or Ecowitt App; supports uploading to our free Ecowitt Weather server(ecowitt.net) to view the sensor data graph and download the history records on the website; it's recommended to add a shortcut of the website on the home screen of your phone for quick access.
- 【WU Dashboard on APP】: supports uploads to WU/WeatherCloud/WOW. The rainfall history graph of your WU station ID can beviewed on the WU Dashboard on the WSView Plus App.
- 【Self-emptying Rain Collector】: The wireless funnel-shaped rain collector is self-emptying and easy to install; Rain sensor calibration andcustomized initial rain value functions available on the WSView Plus App [ Please Note: the installation pole is not included. ]
- 【Pair with Ecowitt Wi-Fi Gateway/Display Console】: Except for pairing with GW1100 Wi-Fi gateway, Wh40 rain gauge sensor can pair with WH5360/HP3500 display consoles (sold separately). The outdoor sensor and display console should be at the same frequency. [ Please Note : This sensor is 915 MHz. ]

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07JKWM2VB |
| Batteries required | Yes |
| Best Sellers Rank | 99,364 in Garden ( See Top 100 in Garden ) 61 in Rain Gauges 206 in Plant & Soil Monitoring |
| Customer Reviews | 4.4 4.4 out of 5 stars (230) |
| Date First Available | 22 Oct. 2018 |
| Included components | Instruction Manual |
| Is assembly required | No |
| Item model number | WH40 |
| Item weight | 500 Grams |
| Product Dimensions | 14.3 x 14.3 x 17.78 cm; 500 g |

## Product Details

- **Brand:** ECOWITT
- **Colour:** WH40A
- **Connectivity technology:** wireless frequencies like 915 MHz, 920 MHz, 868 MHz, 433 MHz, Wi-Fi
- **Included components:** Instruction Manual
- **Material:** Plastic
- **Power source:** Battery Powered
- **Recommended uses for product:** Courtyard, Garden, Outdoor
- **Special feature:** Lightweight, Wireless
- **Style:** Modern
- **Temperature accuracy:** 2 °C

## Images

![ECOWITT WH40 Wireless Self-Emptying Rain Collector Rainfall Sensor - Accessory Only, Can Not Be Used Alone - Image 1](https://m.media-amazon.com/images/I/31FSUlTdH4L.jpg)
![ECOWITT WH40 Wireless Self-Emptying Rain Collector Rainfall Sensor - Accessory Only, Can Not Be Used Alone - Image 2](https://m.media-amazon.com/images/I/41CNT66xyNS.jpg)
![ECOWITT WH40 Wireless Self-Emptying Rain Collector Rainfall Sensor - Accessory Only, Can Not Be Used Alone - Image 3](https://m.media-amazon.com/images/I/41QoTcrAMBL.jpg)
![ECOWITT WH40 Wireless Self-Emptying Rain Collector Rainfall Sensor - Accessory Only, Can Not Be Used Alone - Image 4](https://m.media-amazon.com/images/I/51FawwSPkfL.jpg)
![ECOWITT WH40 Wireless Self-Emptying Rain Collector Rainfall Sensor - Accessory Only, Can Not Be Used Alone - Image 5](https://m.media-amazon.com/images/I/51N4AFDZ5BL.jpg)

## Questions & Answers

**Q: Is this the 868Mhz version?**
A: Yes I believe this is the 868mhz in the UK 
Git mine October

## Customer Reviews

### ⭐⭐⭐⭐⭐ Works well
*by J***S on 16 June 2025*

This was a replacement as the first one failed after a few years in a challenging environment next to the sea.

### ⭐⭐⭐⭐⭐ Excellent value for money
*by K***N on 21 February 2025*

Have had it for years. Good quality, never had any issues.

### ⭐⭐ Not impressed
*by I***A on 14 January 2024*

Fitted lithium batteries. They get drained to zero in a few days. Returned as not fit for purpose for full refund.

## Frequently Bought Together

- ECOWITT WH40 Wireless Self-Emptying Rain Gauge Sensor, Rainfall Collector - Accessory Only, Can Not Be Used Alone
- ECOWITT Wi-Fi Gateway Weather Station, with Built-in Temperature, Humidity, and Barometric Sensors, IOT Ready, Supports Ecowitt Sensors Developed, USB Power, 915 MHz
- ECOWITT Wittboy Pro Weather Station HP2564, with 7 Inch HP2560 TFT Display Console and WS90 Outdoor Weather Sensor, Supports WU/WeatherCloud/Wow/Ecowitt Servers,915 MHz

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*Product available on Desertcart Ireland*
*Store origin: IE*
*Last updated: 2026-01-23*