---
product_id: 696907061
title: "Water Leak Sensor 4 with 105dB Audio Alarm 3-Pack, SMS/Text, Email & Push Notifications, Freeze Warning, LoRa Up to 1/4 Mile Open-Air Range, w/Alexa, IFTTT, Hub Required!"
brand: "yolink"
price: "78673CFA"
currency: XOF
in_stock: true
url: https://www.desertcart.sn/products/696907061-water-leak-sensor-4-with-105db-audio-alarm-3-pack
store_origin: SN
region: Senegal
---

# ¼ mile LoRa range 105dB loud alarm Freeze temperature alert Water Leak Sensor 4 with 105dB Audio Alarm 3-Pack, SMS/Text, Email & Push Notifications, Freeze Warning, LoRa Up to 1/4 Mile Open-Air Range, w/Alexa, IFTTT, Hub Required!

**Brand:** yolink
**Price:** 78673CFA
**Availability:** ✅ In Stock

## Summary

> 🚨 Stay dry, stay smart — leak alerts that go the distance!

## Quick Answers

- **What is this?** Water Leak Sensor 4 with 105dB Audio Alarm 3-Pack, SMS/Text, Email & Push Notifications, Freeze Warning, LoRa Up to 1/4 Mile Open-Air Range, w/Alexa, IFTTT, Hub Required! by yolink
- **How much does it cost?** 78673CFA with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sn](https://www.desertcart.sn/products/696907061-water-leak-sensor-4-with-105db-audio-alarm-3-pack)

## Best For

- yolink enthusiasts

## Why This Product

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

## Key Features

- • **Instant High-Decibel Alerts:** 105dB alarm ensures you never miss a leak emergency, protecting your home and assets instantly.
- • **Unmatched Long-Range Coverage:** LoRa tech delivers up to 1,000 feet open-air range—monitor remote spots with zero WiFi hassle.
- • **Effortless Setup & Maintenance:** Plug-and-play installation with included batteries lasting 5+ years—set it and forget it.
- • **Seamless Smart Home Integration:** Works with Alexa, IFTTT, and YoLink Hub for real-time SMS, email, and push notifications.
- • **Freeze Warning for Winter-Proof Safety:** Built-in low-temp sensor alerts you before pipes freeze, preventing costly damage.

## Overview

The YoLink Water Leak Sensor 4 3-pack uses industrial-grade LoRa technology to provide an impressive ¼ mile open-air range without relying on WiFi. Featuring a powerful 105dB alarm, freeze warnings, and IP66 waterproof protection, it offers reliable, long-lasting leak detection. Easy to install with included batteries lasting over 5 years, it integrates seamlessly with Alexa, IFTTT, and the YoLink Hub for instant SMS, email, and push notifications—perfect for safeguarding homes and remote spaces.

## Description

Product Requirements: The smartphone or tablet able to run iOS 9 or higher; Android 5.0 or higher.  Specifications: YoLink Hub Input: 5V DC Maximum Current: 1A Working Temperature: -20°C~50°C (-4°F~104°F)  Humidity: 0~90% non-condensing  YoLink Water Leak Sensor 4 Product Model: YS7906 Voltage: 3V DC (2* AAA battery) Working Temperature: 0°C~50°C (32°F~122°F)  Working Humidity: ≤100%RH (non-condensing)   Package Content:  3 x YoLink Smart Water Leak Sensor 4

## Features

- No WiFi Worries: Say goodbye to WiFi dependency! YoLink devices use industrial-grade LoRa protocol for communication, offering an impressive ¼ mile open air range. They don't connect to your network or the internet; they communicate securely with the Hub (Hub not included!). Enjoy obstruction-penetrating, long-range coverage without compromising your privacy.
- Effortless Installation: Set it and forget it! Installing the YoLink wireless Water Sensor takes seconds. Simply place it near or under the equipment you want to monitor. Perfect for toilets, water heaters, laundry machines, dishwashers, sinks, fish tanks, sump pumps, and any other water-prone areas.
- Extreme Long Range: Powered by LoRa technology, our system offers the industry's longest receiving range (1/4 mile). Overcome WiFi limitations and monitor areas like basements, outdoor spaces, sheds, garages, and remote outbuildings with ease.
- Powerful 105dB Audio Alarm: Be instantly alerted to potential leaks with our water leak detector's robust 105dB audio alarm. Swiftly respond to emergencies and protect your space from water damage.
- IP66 Waterproof Protection: Designed to endure various conditions, our water leak detector boasts an impressive IP66 waterproof rating. Count on its reliability indoors.
- Built-in Freeze Warning: Equipped with a low temperature sensor, the Yolink Water Leak Sensor not only detects leaks but also alerts you when the temperature drops to freezing levels, helping you prevent frozen pipes and potential damage during colder months.
- Start Smart: A YoLink hub is your gateway to full functionality. Connect with a growing range of smart home and business products. Find our SpeakerHub (B0BZBYD1MK or B09FSS95G9 for audio capabilities) or the original Hub (B08CBTTD17 or B07TQLKQLJ).
- Batteries Included: Enjoy peace of mind for over 5 years with two replaceable AAA batteries included. No need to worry about frequent replacements.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Number of batteries | 6 AAA batteries required. (included) |
| Voltage | 3 Volts |
| Control method | App |
| Noise level | 105 Decibels |
| Mounting type | Tabletop Mount |
| Maximum range | 1000 Feet |
| Sensor technology | Contact Sensor |
| UPC | 810121540961 |
| Manufacturer | YoSmart |
| Part number | 3YS7906 |
| Item Weight | 271 g |
| Product Dimensions | 17.78 x 12.7 x 6.35 cm; 271 g |
| Batteries | 6 AAA batteries required. (included) |
| Item model number | 3YS7906 |
| Color | White |
| Style | 105 dB |
| Item Package Quantity | 1 |
| Included components | Batteries |
| Batteries Included? | Yes |
| Batteries Required? | Yes |
| Battery Cell Type | Alkaline |
| tech_spec_battery_description_toys | Alkaline |

## Product Details

- **Colour:** White
- **Brand:** YoLink
- **Power source:** Battery Powered
- **Compatible devices:** YoLink hub
- **Battery description:** Alkaline

## Images

![Water Leak Sensor 4 with 105dB Audio Alarm 3-Pack, SMS/Text, Email & Push Notifications, Freeze Warning, LoRa Up to 1/4 Mile Open-Air Range, w/Alexa, IFTTT, Hub Required! - Image 1](https://m.media-amazon.com/images/I/51ZMQXAZThL.jpg)

## Available Options

This product comes in different **Style** options.

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**Shop now:** [https://www.desertcart.sn/products/696907061-water-leak-sensor-4-with-105db-audio-alarm-3-pack](https://www.desertcart.sn/products/696907061-water-leak-sensor-4-with-105db-audio-alarm-3-pack)

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*Product available on Desertcart Senegal*
*Store origin: SN*
*Last updated: 2026-02-23*