YoSmart YS1603+4YS7906 Smart Home Starter Kit: Hub & Water Leak Sensor: Comprehensive Leak Detection Kit
Setting up the YoLink wireless Water Sensor is a breeze—no headaches here. Just pop it near or under whatever you're keeping an eye on (toilets, water heaters, even that sketchy old sump pump in the basement). It's like having a tiny, vigilant guard against water leaks wherever you need it.
Thanks to LoRa tech, this little gadget boasts a range that'll make your Wi-Fi jealous—up to a quarter-mile, even in spots where your router throws in the towel (looking at you, basement and backyard shed).
When trouble's brewing, the water leak detector doesn't whisper—it shouts with a 105dB alarm. Because let's face it, when water's where it shouldn't be, you want to know ASAP.
Rain or shine, the IP66 rating means this detector can take whatever Mother Nature throws at it. It's basically the superhero of water sensors.
And here's the kicker: it's not just about leaks. The built-in low temp sensor will give you a heads-up when things get frosty, so you can stop frozen pipes before they become a winter nightmare. Because nobody has time for that.
Features
- Effortless Installation
- Unmatched Long Range
- Powerful Audio Alert
- Rugged Waterproof Design
- Built-in Freeze Warning
- Expand Your Smart Home
- Requirements Made Easy
- Long-Lasting Power
- Comprehensive Leak Detection Kit
General specs
- Brand: YoSmart
- Model: YS1603+4YS7906
- Seller: Amazon
- ID: B0CCT7TH98
- Battery Description: Alkaline
- Number of Batteries: 8 AAA batteries required. (included)
- Voltage: 5 Volts
- Control Method: App
- Noise Level: 105 dB
- Maximum Range: 1000 Feet
- Sensor Technology: LoRa
- upc: 810121540855
- manufacturer: YoSmart
- Part Number: YS1603+4YS7906
- Item Weight: 0.317 ounces
- Product Dimensions: 7 x 5 x 2.5 inches
- Country of Origin: China
- Item Model Number: YS1603+4YS7906
- batteries: 8 AAA batteries required. (included)
- style: 105 dB 4 Sensors
- Item Package Quantity: 1
- Included Components: Batteries
- Batteries Included: Yes
- Batteries Required: Yes
- Battery Cell Type: Alkaline
- : Alkaline
- First listed by seller: 5/1/25
If you are interested in more details, you can find full information on the seller's page.
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Price History for seller Amazon
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| Brand | YoSmart | YoSmart | YoSmart | YoLink | GoveeLife | STECHRO |
| Model | YS1603+4YS7906 | YS1603+2YS7903 | YS1603+4YS7903 | YS1604+3YS7906 | H5043+H5058 | W13+WD77x4 |
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| Price | $54.97 | $39.99 | $42.98 | $59.99 | $89.98 | $39.99 |
| Seller | Amazon | Amazon | Amazon | Amazon | Amazon | Amazon |
| Update | Feb 7, 2026 | Dec 6, 2025 | Feb 7, 2026 | Feb 2, 2026 | Feb 7, 2026 | Feb 7, 2026 |
| Battery Description | Alkaline | Alkaline | AAA | |||
| Number of Batteries | 8 AAA batteries required. (included) | 4 AAA batteries required. (included) | 8 AAA batteries required. (included) | 12 AAA batteries required. (included) | ||
| Voltage | 5 Volts | 5 Volts | 3 Volts | 1.5 Volts (DC) | ||
| Control Method | App | App | App | App | ||
| Noise Level | 105 dB | 100 dB | 120 dB | |||
| Maximum Range | 1000 Feet | 402.34 Meters | 1.32E+3 Feet | 1312 Feet | ||
| Sensor Technology | LoRa | LoRa | Contact Sensor | LoRa | ||
| Item Weight | 0.317 ounces | 1.34 pounds | <num1>, <num2> | 1.21 pounds | ||
| Product Dimensions | 7 x 5 x 2.5 inches | 8 x 2 x 4 inches | 4 x 4 x 0.87 inches | |||
| Country of Origin | China | China | China | |||
| Included Components | Batteries | Detector | Water Detector 1Pack and Water Sensors 6 Packs | 4 x Water Leak Detectors, 1 x 2.4Ghz WiFi Gateway, 8 x AAA Batteries, 1 x User Manual | ||
| Batteries Included | Yes | Yes | Yes | Yes | Yes | |
| Batteries Required | Yes | Yes | Yes | Yes | ||
| Battery Cell Type | Alkaline | Alkaline | Alkaline | Alkaline | ||
