YoLink Water Leak Sensor 4 105 dB Alarm Kit: 4-Pack + Hub
5 sold in last 24 hours
- Complete plug-and-play kit: hub plus Leak Sensor 4 units, each with a built-in 105 dB audible alarm for instant on-site alerts.
- Long-range LoRa: reliable coverage where Wi-Fi struggles (up to 2,034 feet open air); get app, email, and SMS/text alerts and name sensors by location.
- Works even without internet: with YoLink Control-D2D, sensors can directly trigger YoLink sirens or shutoff valves for local protection during outages.
- Low-maintenance power: each sensor uses 2 AAA batteries with up to 5 years typical battery life; easy replacement.
- Scalable IoT platform: one hub supports 300+ YoLink devices; part of a whole smart home/building ecosystem; hub options include standard Hub, SpeakerHub, and Cellular Hub.
- What’s Included: This package includes 1 YoLink Hub and 4 Sensors—5 items total. The “Number of Items: 5” refers to the five individual products in the package, not five sensors.
Estimated shipping
Select a product to estimate shipping.YoLink offers two leak sensors for different needs. Water Leak Sensor 1 is a quiet, discreet option that relies on phone notifications. Water Leak Sensor 4 adds a loud built-in siren , making it ideal for high-risk areas like basements or garages. Both connect to the YoLink Hub for instant alerts.
Runs on 2 AAA batteries (included) for up to 5 years of nonstop leak protection.
Stays connected up to 2,034 feet, even through walls and floors where WiFi fails .
Fully sealed design survives direct water contact, perfect for damp or flood-prone areas .
Receive instant app, SMS, or email alerts . Works with Alexa, IFTTT, Home Assistant, and more.
Power down? WiFi out? No problem . With YoLink’s D2D direct control, Leak Sensors continue to work seamlessly with YoLink Smart Valves and Water Meters, shutting off water the moment a leak is detected—no cloud, no delay, no worries .
1 YoLink Hub supports over 300 devices with long-range LoRa, ideal for large homes and even high-rise buildings . Reliable coverage where WiFi fails .
Manage multiple YoLink systems across properties with Readius , a cloud platform for centralized monitoring , alerts, and reporting at scale.
Product details












| Main Specification | |
|---|---|
| Gamintojas | Yosmart |
| Vienetų skaičius | 4 Skaičius |
| Baterijos skaičius | 8 Aaa Batteries Required. (Included) |
| Matmenys L x W x H | 7"L x 5"W x 2.5"H |
| Kontrolės metodas | App |
| Prekės ženklas | Yolink |
| UPC | 810121540855 |
| Prekių skaičius | 5 |
| Energijos šaltinis | AC / DC |
| Produkto matmenys | 7"L x 5"W x 2.5"H |
| Įtampa | 5 voltai |
| Suderinami prietaisai | Smartphone |
| Didžiausias intervalas | 1000 Feet |
| Spalva | Balta |
| Dydis | With Siren |
| Montavimo tipas | Grindų kalnas |
| Product information | |
| Pakuočių skaičius | 4 |
| Technical Details | |
| Akumuliatoriaus aprašymas | Šarminis |
| Jutiklių technologija | Lora |
| Item details | |
| Modelio numeris | YS1603+4YS7906 |
| Others | |
| Punkto paryškinimas | Works with Alexa or IP67 or Leak and Freeze Mobile App Alerts or Up to 5-Year Battery or LoRa YoLink Protocol Up to 2034 Feet |
| Produkto tipas | Water Detectors & Alarms |
| Built- In Media | Batteries |
| Mfr dalies numeris | YS1603+4YS7906 |
| Garso triukšmas | 105 db |
| BuiltIn medija | Batteries |











