YoLink Smart Home Starter Kit: Hub & Water Leak Sensor 4-Pack, SMS/Text, Email & Push Notifications, LoRa Up to 1/4 Mile Open-Air Range, w/Alexa, IFTTT, Home Assistant
Product details
| Management number | 230704575 | Release Date | 2026/06/18 | List Price | US$24.00 | Model Number | 230704575 | ||
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| Category | |||||||||
<p>Product Requirements:</p> <p> The smartphone or tablet able to run iOS 9 or higher; Android 4.4 or higher.</p> <p> </p> <p> Specifications:</p> <p> YoLink Hub</p> <p> Input: 5V DC</p> <p> Maximum Current: 1A</p> <p> Working Temperature: -20°C~50°C (-4°F~104°F) </p> <p> Humidity: 0~90% non-condensing</p> <p> </p> <p> YoLink Water Leak Sensor</p> <p> Product Model: YS7903-UC</p> <p> Voltage: 3V DC (2* AAA battery)</p> <p> Working Temperature: 0°C~50°C (32°F~122°F) </p> <p> Working Humidity: ≤100%RH (non-condensing) </p> <p> </p> <p> Package Content: </p> <p> 1 x YoLink Hub</p> <p> 4 x YoLink Smart Water Leak Sensor</p>
- Complete plug-and-play kit: hub plus Leak Sensor 1 units for whole-home coverage at toilets, sinks, water heaters, laundry, dishwashers, and sump areas.
- Long-range LoRa: reliable coverage where Wi-Fi struggles (up to 1/4-mile 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.
- Silent design: Leak Sensor 1 has no built-in siren; add SpeakerHub or a YoLink siren for audible or spoken alerts if desired.
- 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.
| Household water sensor type | Water Leak Sensor |
|---|---|
| Smart control | Alexa |
| Smart tech | Y |
| Power type | Battery |
| Rec location | Indoor |
| Batteries incl | Y |
| Battery size | AAA |
| Brand | YoLink |
| Has written warranty | No |
| Features | Automatic |
| Accessories | AAA batteries |
| Display | LED |
| Decibel rating | 0 dB |
| Model | YS1603-UC+YS7903-UC*4 |
| Product line | SMART WATER STARTER KIT |
| Dimensions | 8.00 x 4.00 x 2.00 in |
| Volts | 3V |
| Amps | 1 Amps |
| Multipack quantity | 4 |
| Count per pack | 4 |
| Piece count | 4 |
| Total count | 4 |
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Smart Water Detectors
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