---
product_id: 630179698
title: "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) (3) | App & Email Alerts, 100dB Water Alarm, IP67 Waterproof, detects 0.5mm leaks/drips/water levels, 2.4GHz WiFi, 2-year battery"
brand: "switchbot"
price: "£50.55"
currency: GBP
in_stock: true
category: "Switch Bot"
url: https://www.desertcart.co.uk/products/630179698-wifi-water-sensor-smart-water-leak-detector-100db-adjustable-alerts
store_origin: GB
region: United Kingdom
---

# 0.5mm high sensitivity leak detection 2.4GHz Wi-Fi & BLE - No hub needed 100dB loud adjustable alarm 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) (3) | App & Email Alerts, 100dB Water Alarm, IP67 Waterproof, detects 0.5mm leaks/drips/water levels, 2.4GHz WiFi, 2-year battery

**Brand:** switchbot
**Price:** £50.55
**Availability:** ✅ In Stock

## Summary

> 💧 Stay dry, stay smart — leak alerts that keep you one step ahead!

## Quick Answers

- **What is this?** 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) (3) | App & Email Alerts, 100dB Water Alarm, IP67 Waterproof, detects 0.5mm leaks/drips/water levels, 2.4GHz WiFi, 2-year battery by switchbot
- **How much does it cost?** £50.55 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/630179698-wifi-water-sensor-smart-water-leak-detector-100db-adjustable-alerts)

## 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

- • **Instant Leak Alerts, Anywhere:** Get real-time app & email notifications without extra hubs—stay ahead of water damage no matter where you are.
- • **Seamless Smart Home Integration:** Works effortlessly with Alexa, Google, Siri, IFTTT & SwitchBot ecosystem for voice control and automated safety.
- • **Precision Detection Down to 0.5mm:** Four sensor probes catch even the smallest drips before they become costly floods.
- • **Built Tough with IP67 Waterproofing:** Fully sealed design thrives in humid kitchens, bathrooms, basements—no worries about moisture or splashes.
- • **Power Through with 2-Year Battery Life:** Long-lasting AAA batteries keep your home protected with low-battery alerts to never leave you in the dark.

## Overview

The SwitchBot WiFi Water Sensor is a compact, wireless leak detector featuring ultra-sensitive 0.5mm water detection, 100dB adjustable alarms, and IP67 waterproofing. It connects directly to 2.4GHz Wi-Fi without requiring a hub, sending instant app and email alerts. With up to 2 years of battery life and compatibility with major smart home platforms, it offers reliable, hands-free protection for kitchens, bathrooms, basements, and more.

## Description

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) (3) - desertcart.com

## 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.
- 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 2 Years 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 2 Years. When Battery is low, our app will also send notifications to remind you to replace them in a timely manner. (*When used in Standy-by Mode, actual battery life performance may vary depending on use).
- Part of SwitchBot Ecosystem, Voice Command Compatible: Use With SwitchBot Plug Mini or Indoor Cam, and remotely turn off electrical equipment or check the condition of your house in case of leakage. It can also support third-party services such as Alexa/Google/Siri/IFTTT/SmartThings.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0CTJPCZQ7 |
| Audible Noise | 100 db |
| Battery Description | Alkaline |
| Best Sellers Rank | #26,598 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #26 in Water Detectors & Alarms |
| Brand | SwitchBot |
| Built-In Media | Water Leak Detector *3 |
| Color | White |
| Control Method | App, Voice |
| Customer Reviews | 4.5 4.5 out of 5 stars (1,591) |
| Item Dimensions L x W x H | 1.3"L x 1.3"W x 3.1"H |
| Item Weight | 68 g |
| Manufacturer | Wonderlabs |
| Maximum Range | 1700 feet |
| Model Number | W4402000 |
| Mounting Type | Tabletop Mount |
| Number of Batteries | 1 A batteries required. (included) |
| Number of Items | 3 |
| Power Source | Battery Powered |
| Sensor Technology | Contact Sensor |
| UPC | 810150540475 |
| Unit Count | 3 Count |
| Voltage | 3 volts_of_direct_current |

## Product Details

- **Battery Description:** Alkaline
- **Brand:** SwitchBot
- **Color:** White
- **Power Source:** Battery Powered
- **Product Dimensions:** 1.3"L x 1.3"W x 3.1"H

## Images

![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) (3) | App & Email Alerts, 100dB Water Alarm, IP67 Waterproof, detects 0.5mm leaks/drips/water levels, 2.4GHz WiFi, 2-year battery - Image 1](https://m.media-amazon.com/images/I/61VeBi0hLfL.jpg)

## Available Options

This product comes in different **Unit Count, Style** options.

## Frequently Bought Together

- SwitchBot WiFi Water Sensor 3 Pack, Smart Water Leak Detector, 100dB Adjustable Alerts & App Alerts, IP67 Waterproof, Wireless Detector for Kitchen, Bathroom, Basement, No Hub Required (Support 2.4G)
- SwitchBot WiFi Water Sensor, Smart Water Leak Detector, 100dB Adjustable Alerts & App Alerts, IP67 Waterproof, Wireless Detector for Home with 1m (3.28ft) Sensing Cable, No Hub Required (Support 2.4G)
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**Shop now:** [https://www.desertcart.co.uk/products/630179698-wifi-water-sensor-smart-water-leak-detector-100db-adjustable-alerts](https://www.desertcart.co.uk/products/630179698-wifi-water-sensor-smart-water-leak-detector-100db-adjustable-alerts)

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*Product available on Desertcart United Kingdom*
*Store origin: GB*
*Last updated: 2026-08-21*