









🚨 Stay dry, stay ahead — the leak sensor that never sleeps!
The YoLink Wireless Leak Sensor leverages industrial-grade LoRa technology to deliver an unparalleled ¼ mile wireless range with superior wall penetration, ensuring reliable water leak detection even in WiFi-challenged areas. Featuring encrypted communications and patented device-to-device pairing, it guarantees continuous operation during internet or power outages. Easy to install and powered by two AAA batteries lasting over 5 years, it provides instant app alerts and detailed leak history logs, making it the ultimate smart home safeguard against water damage.






| ASIN | B07Z7QWJBP |
| ASIN | B07Z7QWJBP |
| Batteries | 2 AAA batteries required. (included) |
| Batteries | 2 AAA batteries required. (included) |
| Batteries Included? | Yes |
| Batteries Required? | Yes |
| Battery Cell Type | Alkaline |
| Battery description | Alkaline |
| Best Sellers Rank | #113,035 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #209 in Motion Detectors |
| Color | White |
| Control method | App, Voice |
| Coverage | 1000 Feet (Open Air) |
| Customer Reviews | 4.6 4.6 out of 5 stars (846) |
| Customer reviews | 4.6 4.6 out of 5 stars (846) |
| Date First Available | 6 November 2019 |
| Date First Available | 6 November 2019 |
| Included components | Valve Controller |
| Installation Method | Surface-Mounted |
| Item Package Quantity | 1 |
| Item Weight | 80 g |
| Item model number | YS7903 |
| Item model number | YS7903 |
| Item weight | 0.08 Kilograms |
| Manufacturer | YoLink |
| Manufacturer | YoLink |
| Material | Plastic |
| Maximum range | 400 Meters |
| Mounting type | Protruding |
| Number of batteries | 2 AAA batteries required. (included) |
| Part number | YS7903 |
| Product Dimensions | 6.1 x 6.1 x 2.2 cm; 80 g |
| Product Dimensions | 6.1 x 6.1 x 2.2 cm; 80 g |
| Sensor technology | LoRa |
| Special Features | Easy to Install |
| Specific uses | Amateur, Inside, Professional, indoor use only |
| Speed Rating | long range smart home automation |
| Style | 0dB, without hub |
| Switch Style | Temperature Switch |
| Temperature Range | 32-122 Degrees Fahrenheit |
| UPC | 850024791480 750258361438 |
| Voltage | 3 Volts |
| tech_spec_battery_description_toys | Alkaline |
C**N
Works very well and detects water, notifications are excellent
J**Y
This device, like the other ones in the YoLink family, is exceptionally easy to put into service and well-built which gives me confidence in its reliability. I've stationed these water sensors all over the house now, having bought a bunch more. I've rigged it so that sensing a water condition (drip, spill, flood, etc.) will sound an alarm in my home office, notify me and my wife on our cell phones (by way of the app), and send me an SMS text message. I plan to get YoLink's 110dB alarm unit too, but haven't yet. Every once in a while, I test the alarm system by putting a random sensor (say, the one under the kids' bathroom sink) in a small puddle on the countertop just to reassure me that all is still operational. I really like this system! Also, the door sensors are great because it helps me keep tabs on who's filching the junk food from the basement pantry! (I pretend the door sensor is there to ensure we close the insulated door...)
P**L
This is the eu version that operates on a different frequency to the us hubs. It does not connect to my hub
N**Y
I have a lot of Yolink items and they work perfectly. Great to monitor water leaks for my water heater, washing machine, water pressure tank and even inside my sump pit. I installed it inside (within an abs cap) right over where the pump is located. So, if it detects water, so I have still time to fix it before any damages.
M**L
Great if you need to be away and leave water on
Trustpilot
Hace 2 semanas
Hace 2 meses