YoSmart YS1603+2YS7903: LoRa technology for extreme long range
Ever thought about making your home a bit smarter and a whole lot safer? The YoLink Smart Home Starter Kit is where you start. It's got a Hub and a couple of Water Leak Sensors – because nobody likes surprises, especially the wet kind. Thanks to LoRa tech, it's got the longest range in the biz to keep an eye (or sensor) on things.
Here's why you'll love it:
- Setup? A breeze. Just plug it into your router's ethernet port, and you're pretty much done. It's that easy.
- Range that impresses. We're talking up to 1/4 mile in open air. Basements, sheds, even that weird little house out back – covered.
- Notifications that don't quit. Even if your WiFi throws a tantrum or the power goes out, you'll still get SMS, email, and push alerts. Because peace of mind shouldn't take a day off.
- Plays well with others. Alexa, IFTTT, Home Assistant – it's like the social butterfly of smart home gadgets.
Batteries are included (because we're not monsters), and setting it up is as simple as putting the sensors where leaks might happen. If you're into smart homes, this kit's basically your new best friend.
Features
- SMS/Text, Email & Push Notifications
- Works with Alexa, IFTTT, Home Assistant
- No WiFi, Internet, or Power required for operation
- Batteries included for over 5 years of use
- LoRa technology for extreme long range
General specs
- Brand: YoSmart
- Model: YS1603+2YS7903
- Seller: Amazon
- ID: B088H5BY6C
- Voltage: 5 Volts
- Maximum Range: 402.34 Meters
- Control Method: App
- Battery Cell Type: Alkaline
- Sensor Technology: LoRa
- Batteries Included: Yes
- Batteries Required: Yes
- Battery Description: Alkaline
- Included Components: Detector
- Number of Batteries: 4 AAA batteries required. (included)
- First listed by seller: 6/18/25
If you are interested in more details, you can find full information on the seller's page.
Amazon live offers
?
Top live offer is the offer currently shown first for this Amazon listing. It may differ from the lowest available price.
FBA means the order is fulfilled by Amazon, even when the seller is a third-party merchant.
Shippable means the offer is listed as available for delivery on Amazon.
New, Used and Refurbished describe the item condition shown for that Amazon offer.
View on Amazon
Price History for seller Amazon
Shipping options
Russia
Similar products comparison
| This item | Recommendations | |||||
|---|---|---|---|---|---|---|
YoSmart YS1603+2YS7903 LoRa technology for extreme long range
|
YoSmart YS1603+4YS7903
|
YoSmart YS1603+4YS7906 Comprehensive Leak Detection Kit
|
YoLink YS1604+3YS7906 Gray LoRa technology up to 1/4 mile open-air range
|
Smart Water Leak Detector Kit Real-time app notifications via 2.4G WiFi
|
GoveeLife H5043+H5058 App & Email Real-time Alerts
|
|
| Brand | YoSmart | YoSmart | YoSmart | YoLink | micmi | GoveeLife |
| Model | YS1603+2YS7903 | YS1603+4YS7903 | YS1603+4YS7906 | YS1604+3YS7906 | H5043+H5058 | |
| Color |
|
|||||
| Rating |
|
|
|
|
|
|
| Price | $39.99 | $54.99 | $58.47 | $56.98 | $30.99 | $89.99 |
| Seller | Amazon | Amazon | Amazon | Amazon | Amazon | Amazon |
| Update | May 28, 2026 | May 28, 2026 | May 28, 2026 | May 28, 2026 | May 28, 2026 | May 28, 2026 |
| Voltage | 5 Volts | 3 Volts | 5 Volts | 1.5 Volts (DC) | ||
| Maximum Range | 402.34 Meters | 1.32E+3 Feet | 1000 Feet | 1312 Feet | ||
| Control Method | App | App | App | App | ||
| Battery Cell Type | Alkaline | Alkaline | Alkaline | |||
| Sensor Technology | LoRa | Contact Sensor | LoRa | LoRa | ||
| Batteries Included | Yes | Yes | Yes | Yes | ||
| Batteries Required | Yes | Yes | Yes | |||
| Battery Description | Alkaline | AAA | Alkaline | |||
| Included Components | Detector | Batteries | 3 Water Sensors, 1 Base Station | Water Detector 1Pack and Water Sensors 6 Packs | ||
| Number of Batteries | 4 AAA batteries required. (included) | 8 AAA batteries required. (included) | 8 AAA batteries required. (included) | 12 AAA batteries required. (included) | ||
| Item Weight | 1.34 pounds | 0.317 ounces | <num1>, <num2> | |||
YoSmart YS1603+2YS7903 LoRa technology for extreme long range
Reviews
There are no text reviews yet. If you have experience using this product, please leave a review. It will help other people decide whether this product is right for them.