---
product_id: 638857595
title: "SwitchBot WiFi Water Sensor No Hub Required, Smart Water Leak Detector 100dB Adjustable Alerts & App Alerts, IP67 Waterproof, Wireless Detector for Home with 1m (3.28ft) Sensing Cable, (Support 2.4G)"
brand: "switchbot"
price: "£23.91"
currency: GBP
in_stock: true
reviews_count: 13
category: "Switch Bot"
url: https://www.desertcart.co.uk/products/638857595-switchbot-wifi-water-sensor-no-hub-required-smart-water-leak
store_origin: GB
region: United Kingdom
---

# 0.5mm ultra-sensitive water detection 2.4GHz WiFi, no hub needed 100dB loud adjustable alarm SwitchBot WiFi Water Sensor No Hub Required, Smart Water Leak Detector 100dB Adjustable Alerts & App Alerts, IP67 Waterproof, Wireless Detector for Home with 1m (3.28ft) Sensing Cable, (Support 2.4G)

**Brand:** switchbot
**Price:** £23.91
**Availability:** ✅ In Stock

## Summary

> 💧 Stay Dry, Stay Ahead — Leak Detection That Works as Hard as You Do!

## Quick Answers

- **What is this?** SwitchBot WiFi Water Sensor No Hub Required, Smart Water Leak Detector 100dB Adjustable Alerts & App Alerts, IP67 Waterproof, Wireless Detector for Home with 1m (3.28ft) Sensing Cable, (Support 2.4G) by switchbot
- **How much does it cost?** £23.91 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.uk](https://www.desertcart.co.uk/products/638857595-switchbot-wifi-water-sensor-no-hub-required-smart-water-leak)

## Best For

- switchbot enthusiasts

## Why This Product

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

## Key Features

- • **Powerful 100dB Alarm:** Loud, adjustable siren ensures you never miss a leak, even in noisy or distant areas of your home.
- • **IP67 Waterproof Durability:** Fully sealed design withstands humid environments and accidental splashes for reliable long-term use.
- • **Up to 24 Months Battery Life:** Long-lasting AAA battery with low-battery alerts keeps your home protected without frequent maintenance.
- • **Precision Sensing with 1m Probe:** Detects water levels and leaks in tight or hard-to-reach spaces like under sinks or behind appliances.
- • **Instant Leak Alerts, No Hub Required:** Connects directly to your WiFi for real-time app & email notifications anywhere, anytime.

## Overview

The SwitchBot WiFi Water Sensor is a compact, hub-free smart leak detector that connects directly to 2.4GHz WiFi, delivering instant app and email alerts. With ultra-sensitive probes detecting water as low as 0.5mm and a 1-meter sensing cable, it monitors multiple locations including tight spaces. Its 100dB adjustable alarm ensures prompt notification, while the IP67 waterproof design and up to 24 months battery life provide durable, maintenance-free protection for your home.

## Description

Product Description SwitchBot Water Leak Detector with Sensor Cable SwitchBot Water Leak Detector with Sensor Cable is a sensor that can help provide you with remote notifications to prevent water leakage in your home, no Hub needed. IP67 Waterproof Features a waterproof shell, that can cope with high humidity environments. Meaning even when soaked in water, it can still send out notifications. Compact Design Saves space and can be easily placed in smaller areas such as refrigerators and washing machines. Low Battery Alerts Check battery level through our app. And when battery level goes below 20%, our app or emails will automatically notify you to keep you up to date. Long Battery Life With 2 x AAA batteries you can enjoy up to 24 months worth of battery life.

Review: Reliable and Easy-to-Use Water Leak Detector! - ⭐⭐⭐⭐⭐ Reliable and Easy-to-Use Water Leak Detector! The SwitchBot WiFi Water Sensor is an absolute game-changer for home safety. I was looking for a reliable water leak detector that didn’t require a hub, and this device exceeded my expectations. Setup was incredibly simple—it connected to my WiFi in minutes, and the app interface is intuitive and user-friendly. I love that I can get instant notifications on my phone whenever the sensor detects water. It gives me peace of mind, especially for areas like under the sink and near the water heater. The sensor is compact and well-built, with excellent sensitivity to even small amounts of water. I tested it with a few drops, and it alerted me immediately! It’s also great that there’s no need for a separate hub, which makes it a cost-effective option. This is a must-have for anyone who wants to prevent water damage in their home. Highly recommend!
Review: Very easy to install and works well - Very easy to install and the app is great, I have tested this and it will alert on only a small amount of water being present.

## Features

- Real-time Notifications (No Hub Needed): After connecting to Wi-Fi, you will be able to receive real-time email and app notifications remotely when dripping, leaking, or flooding is detected, without the need to purchase an additional hub. Share devices with family, and they can also check home status at any time. (2.4Ghz Wi-fi & BLE)
- High Sensitivity Drip Alarms: This device is equipped with four sensor probes at the top and bottom, which can detect a low water level of just 0.5mm. If water pipes drip, and your floor is submerged, or gets wet, it will sound an alarm. Water Leak Detector is compact and convenient in size, suitable for placement in laundry rooms, water heaters, dishwashers, sinks, and other places.
- Water Level Detection: Equipped with a 1-meter extended probe, you'll be able to detect changes in water levels of places like swimming pools, bathtubs, and fish tanks. It can also be placed in narrower areas, such as bottom of refrigerators or back of washing machines. And is suitable for homes, warehouses, basements, sinks, water heaters, pipelines, and more.
- Includes Loud Alarm Sounds: To help you stay alert, we've included 100dB high pitched alarms, which means even if there is a leak in basements or places a little further away, you'll know in a timely manner. Once discovered, you can manually set it back to mute without worrying about noise issues.
- IP67 Waterproof, Up to 24 Months Battery Life: Water Leak Detector is designed with a fully sealed waterproof shell and can easily handle high humidity working environments. It comes with 2 x AAA batteries and has a battery lifespan of up to 24 months. When battery is low, our app will also send notifications to remind you to replace them in a timely manner

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0CRRMD559 |
| Battery Description | Lithium |
| Battery description | Lithium |
| Best Sellers Rank | 13,754 in DIY & Tools ( See Top 100 in DIY & Tools ) 2 in Water Detectors |
| Brand | SwitchBot |
| Colour | White |
| Compatible Devices | Various Smart Home Devices and Voice Assistants |
| Compatible devices | Various Smart Home Devices and Voice Assistants |
| Control Method | App |
| Country of Origin | China |
| Customer Reviews | 4.5 out of 5 stars 1,335 Reviews |
| Included Components | Water leak detector with sensor cable |
| Item Dimensions L x W x H | 5.9L x 2.5W x 5.9H centimetres |
| Item Type Name | Detector with sensor cable*1 |
| Item Weight | 68 Grams |
| Manufacturer | Wonderlabs |
| Maximum Range | 1700 Feet |
| Model Number | W4402010 |
| Mounting Type | Tabletop Mount |
| Number of Batteries | 1 A batteries required. (included) |
| Part Number | W4402010 |
| Power source | Battery Powered |
| Product dimensions | 5.9L x 2.5W x 5.9H centimetres |
| Sensor Technology | Water Level Sensor |
| Shape | Detector with Cable (1 Pack) |
| Smart Home Compatibility | Smart Home Compatible |
| Sound Level | 100 Decibels |
| UPC | 810150540468 |
| Unit Count | 1.0 count |
| Voltage | 3 Volts (DC) |

## Product Details

- **Brand:** SwitchBot
- **Colour:** White
- **Compatible devices:** Various Smart Home Devices and Voice Assistants
- **Power source:** Battery Powered
- **Product dimensions:** 33L x 33W x 79H millimetres

## Images

![SwitchBot WiFi Water Sensor No Hub Required, Smart Water Leak Detector 100dB Adjustable Alerts & App Alerts, IP67 Waterproof, Wireless Detector for Home with 1m (3.28ft) Sensing Cable, (Support 2.4G) - Image 1](https://m.media-amazon.com/images/I/51VAXIECayL.jpg)
![SwitchBot WiFi Water Sensor No Hub Required, Smart Water Leak Detector 100dB Adjustable Alerts & App Alerts, IP67 Waterproof, Wireless Detector for Home with 1m (3.28ft) Sensing Cable, (Support 2.4G) - Image 2](https://m.media-amazon.com/images/I/61OkFauSpSL.jpg)
![SwitchBot WiFi Water Sensor No Hub Required, Smart Water Leak Detector 100dB Adjustable Alerts & App Alerts, IP67 Waterproof, Wireless Detector for Home with 1m (3.28ft) Sensing Cable, (Support 2.4G) - Image 3](https://m.media-amazon.com/images/I/719wWe5PV8L.jpg)
![SwitchBot WiFi Water Sensor No Hub Required, Smart Water Leak Detector 100dB Adjustable Alerts & App Alerts, IP67 Waterproof, Wireless Detector for Home with 1m (3.28ft) Sensing Cable, (Support 2.4G) - Image 4](https://m.media-amazon.com/images/I/61uvm5PYWFL.jpg)
![SwitchBot WiFi Water Sensor No Hub Required, Smart Water Leak Detector 100dB Adjustable Alerts & App Alerts, IP67 Waterproof, Wireless Detector for Home with 1m (3.28ft) Sensing Cable, (Support 2.4G) - Image 5](https://m.media-amazon.com/images/I/71Qd+e7no6L.jpg)

## Available Options

This product comes in different **Item Shape** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Reliable and Easy-to-Use Water Leak Detector!
*by M***Z on 22 November 2024*

⭐⭐⭐⭐⭐ Reliable and Easy-to-Use Water Leak Detector! The SwitchBot WiFi Water Sensor is an absolute game-changer for home safety. I was looking for a reliable water leak detector that didn’t require a hub, and this device exceeded my expectations. Setup was incredibly simple—it connected to my WiFi in minutes, and the app interface is intuitive and user-friendly. I love that I can get instant notifications on my phone whenever the sensor detects water. It gives me peace of mind, especially for areas like under the sink and near the water heater. The sensor is compact and well-built, with excellent sensitivity to even small amounts of water. I tested it with a few drops, and it alerted me immediately! It’s also great that there’s no need for a separate hub, which makes it a cost-effective option. This is a must-have for anyone who wants to prevent water damage in their home. Highly recommend!

### ⭐⭐⭐⭐⭐ Very easy to install and works well
*by M***E on 14 May 2026*

Very easy to install and the app is great, I have tested this and it will alert on only a small amount of water being present.

### ⭐⭐⭐⭐ SwitchBot Wi-Fi Water Sensor Works really well
*by S***W on 2 January 2025*

The SwitchBot Wi-Fi Water Sensor is an impressive device that combines convenience, reliability, and smart home integration to give you peace of mind when it comes to potential water leaks. Here’s my breakdown after using it for a few weeks: Design and Build The sensor has a sleek and compact design that easily fits in tight spaces like under sinks, near washing machines, or around water heaters. It feels sturdy and well-made, capable of withstanding minor mishandling. Ease of Setup Setting up the SwitchBot Water Sensor is incredibly simple. The device pairs effortlessly with the SwitchBot app, and the step-by-step instructions are clear. It connects via Wi-Fi, so you don’t need a separate hub, which is a big plus. Performance The sensor is highly sensitive and reliable. During my tests, it detected even small amounts of water quickly. The dual detection system, which senses both water and high humidity, is a fantastic feature for versatile monitoring. The notifications sent to my phone were instant, allowing me to address potential issues promptly. Battery Life Powered by AAA batteries, the sensor boasts an impressive battery life of over a year, depending on usage. The app conveniently notifies you when the battery is running low. Smart Home Integration One of the standout features is its compatibility with Alexa, Google Assistant, and other smart ecosystems. I’ve set mine up to trigger routines, such as turning off my smart water valve when a leak is detected. The integration works flawlessly. Value for Money Priced competitively, the SwitchBot Water Sensor provides excellent value, especially given its accuracy and smart home capabilities. It’s an affordable insurance policy against potentially costly water damage. Pros: Compact and durable design. Quick, reliable water detection. Easy to set up and use. No hub required (Wi-Fi enabled). Smart home integration with automation support. Long battery life. Cons: Limited color options (only available in white). Slightly higher initial cost compared to basic water sensors, though justified by features. Final Verdict The SwitchBot Wi-Fi Water Sensor is a must-have for any smart home enthusiast or anyone concerned about water leaks. Its reliability, ease of use, and excellent integration make it a standout choice in its category. Whether you want to safeguard against leaks or add another smart gadget to your home, this sensor won’t disappoint. Rating: 4.8/5

## Frequently Bought Together

- SwitchBot WiFi Water Leak Detector, Smart Water Sensor with 100dB Adjustable Alarm&App Alerts, IP67 Waterproof, Detector for Home with Cable, No Hub Required (Support 2.4G) (White, Pack, 1)
- SwitchBot WiFi Water Sensor, Smart Water Leak Detector, 100dB Adjustable Alerts & App Alerts, IP67 Waterproof, Wireless Detector for Kitchen, Bathroom, Basement, No Hub Required (Support 2.4G)

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*Product available on Desertcart United Kingdom*
*Store origin: GB*
*Last updated: 2026-06-05*