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Water Leak Sensor

YoLink 1/4 Mile Super Long Range Wireless Leak Sensor LoRa enabled Smart Water Leak Detector Alert Notification App Alerts History Logs Sensor with Sensitive Leak Probes, YoLink Hub Required

Bullet Points:

  • Security Alerts – Our smart wireless water sensor offers reliable performance, helping to keep your home safe, by alerting you to potential water leak before the issue becomes too serious, thus helping to prevent costly water damag; You can check history records in YoLink APP
  • Long Range – Based on LoRa Protocol, YoLink hub (required) reaches a long transmit distance with YoLink Smart Water Leak Sensor of 1,000 feet in the open air, more than 300 feet indoor and efficiently decreased attenuation through physical barriers, thus you can place your YoLink Smart Wireless Leak Sensor in ideal place
  • Easy Setup – Scan and Play; the wireless and portable design allows you to install it in any section of your home. You can place the water sensor near your washing machine, water heater, sinks or dishwasher for a total peace of mind; The body of the sensor contains 6 highly sensitive gold-plated probes, which when it comes in contacts with water will create a circuit, that will set off the alarm to alert you of possible flood
  • Low Consumption – Battery powered with low energy consumption: 2*AAA included batteries supports about 5 years usage; Battery status will be update and low battery alert will be sent within YoLink APP
  • Home Automation – Build “IFTTT” rules between YoLink Smart Leak Sensor and YoLink Smart valves…, making life secure and convenient. With Yolink free APP and Yolink Hub, you can set smart scenes, automation and YoLink Control between devices and devices, sharing devices with family members and making your house smart. Let’s start your own whole house smart home system with YoLink.


YoLink Technology
“YoLink” is a proprietary wireless technology provided by YoSmart. which is based on the Semtech’s LoRa wireless technology combined the YoSmart smart home/buiding protocol, to provide most advanced smart home/buidling devices solution. Compared to WIFI, Bluetooth, ZigBee, Z-Wave and other smart home protocol, it has the advantages of low-power consumption, long-distance coverage (wall penetration), and anti-interference. It is first smart building/home protocol which can be very easily setup and is very low cost, but create a reliable, robust and more secure IoT network.

1. A YoLink Hub, Link: YS1603-UC YoLink Hub
2. The smartphone or tablet able to run iOS 9 or higher, Android 4.4 or higher.

Real-time Status – Monitor the real-time state of water leak via YoLink App.
Battery Status – Update battery level and send low battery alert.
YoLink Control – Trigger an action of certain YoLink devices without internet.
Automation – Set up rules for “IFTTT” function.

Water Leak Sensor is widely used in water leak detection. There will have an alert when any of the three sets of probes were under the water. Download YoLink App, add Water Leak Sensor to your smart home system, which will able to monitor your home’s security in real time.
With Yolink APP and Hub, you can also control or monitor all YoLink smart home devices, such as plugs, switches, locks, gas/water Valves, sensors and more. You can set scenes, automation and YoLink Control between devices and devices, making your house smart. In all, you can build your own smart home system with YoLink.

Product Name: YoLink Smart Water Leak Sensor
Product Model: YS7903-UC
Voltage: 3V DC (2* AAA battery)
Working Temperature: 0°C~50°C (32°F~122°F)
Working Humidity: ≤100%RH (non-condensing)

Package Content:
1 x YoLink Water Leak Sensor
1 x Quick Start Guide (please click User Guide YS7903-UC to get detailed electrical user guide.)