









💧 Stay dry, stay connected—without the WiFi worries!
The YoLink Water Leak Detector leverages industrial-grade LoRa technology to deliver the longest wireless range in the market (¼ mile) without relying on WiFi. Designed for easy installation near water-prone areas, it offers encrypted, secure communication with a dedicated hub, ensuring your home stays protected from leaks. Powered by 2 AAA batteries included, it boasts an impressive 2 to 10-year battery life, making it a low-maintenance, high-reliability smart home essential for proactive water damage prevention.
| Battery description | Alkaline |
| Number of batteries | 2 AAA batteries required. (included) |
| Voltage | 3 Volts |
| Control method | App |
| Mounting type | Wall Mount |
| Maximum range | 4E+2 Metres |
| Sensor technology | Wireless Sensor |
| UPC | 850024791480 750258361438 |
| Manufacturer | YoSmart |
| Part Number | YS7903 |
| Product Dimensions | 6.1 x 6.1 x 2.2 cm; 80 g |
| Batteries | 2 AAA batteries required. (included) |
| Item model number | YS7903 |
| Item Package Quantity | 1 |
| Included Components | Batteries, Detector |
| Batteries included? | Yes |
| Batteries Required? | Yes |
| Battery Cell Type | Alkaline |
| Item Weight | 80 g |