









💧 Stay leak-proof, even when WiFi drops—YoLink’s got your back!
The YoLink 3 Pack Smart Water Leak Sensor uses industrial-grade LoRa wireless technology to provide an ultra-long ¼ mile range with encrypted, device-to-device communication that works independently of WiFi or internet. Designed for easy tabletop installation near water-prone areas, it offers over 5 years of battery life on included AAA batteries. Compatible with Alexa, IFTTT, and the YoLink Hub, it ensures reliable, real-time leak detection and alerts for smart homes and businesses.
| Battery description | Alkaline |
| Number of batteries | 6 AAA batteries required. |
| Voltage | 3 Volts |
| Control method | App |
| Mounting type | Tabletop Mount |
| Maximum range | 1320 Feet |
| Sensor technology | Water Leak Sensor Technology |
| UPC | 750258361643 |
| Manufacturer | YoSmart |
| Part Number | YS7903-UC*3 |
| Product Dimensions | 6.4 x 6.4 x 2.5 cm; 249 g |
| Batteries | 6 AAA batteries required. |
| Item model number | YS7903 |
| Item Package Quantity | 1 |
| Batteries included? | No |
| Batteries Required? | No |
| Battery Cell Type | Alkaline |
| Item Weight | 249 g |
M**L
It is US wifi not Uk
Works well once reset to Europe wifi but it would not connect with their European/UK hub without a fair amount of resetting and liaison with tech support.I was expecting this so was not a problem for me.
J**.
Does not work in UK, description not clear
The hub and temperature sensors work well and are connected immediately. I purchased the 3-pack water leak sensors but did not realise the difference between UC and EC on the labels. UC does not work in the UK; you need to buy EC. I contacted tech support, but after an initial hello, I have been ghosted!
Trustpilot
1 month ago
1 day ago