









💧 Stay dry, stay connected—no WiFi? No worries!
The YoLink Water Leak Sensor 3-Pack uses industrial-grade LoRa technology to provide an industry-leading ¼ mile wireless range with encrypted, device-to-device communication that works independently of WiFi or internet. Designed for easy placement near water sources, it offers instant alerts via SMS, email, and push notifications, plus smart home integration with Alexa, IFTTT, and Home Assistant. Powered by 6 included AAA batteries, each sensor lasts over 5 years, making it a low-maintenance, reliable flood detection solution for any home or remote property.
| Battery Description | Alkaline |
| Number of Batteries | 6 AAA batteries required. |
| Voltage | 3 Volts |
| Control Method | App, Voice |
| Mounting Type | Tabletop Mount |
| Maximum Range | 1320 Feet |
| Sensor Technology | Water Leak Sensor Technology |
| UPC | 750258361643 |
| Manufacturer | YoSmart |
| Model | YS7903 |
| Product Dimensions | 6.4 x 6.4 x 2.5 cm; 249 g |
| Batteries | 6 AAA batteries required. |
| Item model number | YS7903 |
| Batteries Included | No |
| Batteries Required | No |
| Battery cell composition | Alkaline |
| Country of Origin | China |
| Item Weight | 249 g |
Trustpilot
1 month ago
1 month ago