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YoSmart YS1603+4YS7903 Contact Sensor, 3V, 1320ft, 1.34lb, 8x2x4in Smart Home Starter Kit with Hub & Water Leak Sensors
Available offers (2)
Current
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Contact Sensor, 3V, 1320ft, 1.34lb, 8x2x4in
Retailer
€62.40
Available to order
—
Price history by offer
Volatility: MediumFeatures
- Effortless Installation
- Unmatched Long Range
- Rugged Waterproof Design
- Built-in Freeze Warning
- Expand Your Smart Home
- Long-Lasting Power
General specs
- Brand: YoSmart
- Model: YS1603+4YS7903
- Seller: Retailer
- ID: B084WYB8PM
- upc: 850024791565
- Voltage: 3 Volts
- Item Weight: 1.34 pounds
- Part Number: YS1603+4YS7903
- manufacturer: YoSmart
- Maximum Range: 1.32E+3 Feet
- Mounting Type: Floor Mount
- Control Method: App
- Battery Cell Type: Alkaline
- Country of Origin: China
- Sensor Technology: Contact Sensor
- Batteries Included: Yes
- Batteries Required: Yes
- Product Dimensions: 8 x 2 x 4 inches
- Battery Description: AAA
- Number of Batteries: 8 AAA batteries required. (included)
- First listed by seller: March 31, 2025
If you are interested in more details, you can find full information on the seller's page.
Price History for seller Retailer
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United States
United States
Available
🚀 Unlock Your Smart Home with the YoLink Smart Home Starter Kit. Imagine never having to worry about water damage again—this kit's got your back with a hub and four leak sensors that scream (figuratively, of course) at the first sign of trouble, sending alerts straight to your phone, email, or wherever you'll actually notice them.
🔍 Features:
- Thanks to LoRa Technology, this thing can practically send signals from the moon (okay, maybe just 1/4 mile in open air). Basements, sheds, even that weird little garden house you never use? Covered.
- Setup is a breeze—seriously, it's almost too easy. Just plug it into your router's ethernet port, and boom, you're in business. No tech degree required.
- Plays nice with Alexa, IFTTT, and Home Assistant, so it'll fit right into your existing smart home like it was always there.
- Stick these sensors near anything that holds water (toilets, water heaters, laundry machines—you get the idea) and sleep soundly knowing you'll be the first to know if something's amiss.
💡 Heads up: You'll need a YoLink Hub to get this gadget online. It's a bit old-school—no direct WiFi or local network connections here.
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| Brand | YoSmart | YoSmart | YoLink | micmi | GoveeLife | STECHRO |
| Model | YS1603+4YS7903 | YS1603+2YS7903 | YS1604+3YS7906 | H5043+H5058 | W13+WD77x4 | |
| Rating |
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| Price | €62.40 | €35.65 | €53.49 | €22.01 | €80.23 | €44.57 |
| Seller | Retailer | Retailer | Retailer | Retailer | Retailer | Retailer |
| Update | May 28, 2026 | May 28, 2026 | May 28, 2026 | May 28, 2026 | Jun 24, 2026 | May 28, 2026 |
| Voltage | 3 Volts | 5 Volts | 1.5 Volts (DC) | |||
| Maximum Range | 1.32E+3 Feet | 402.34 Meters | 1312 Feet | |||
| Control Method | App | App | App | |||
| Battery Cell Type | Alkaline | Alkaline | Alkaline | |||
| Sensor Technology | Contact Sensor | LoRa | LoRa | |||
| Batteries Included | Yes | Yes | Yes | Yes | ||
| Batteries Required | Yes | Yes | Yes | |||
| Number of Batteries | 8 AAA batteries required. (included) | 4 AAA batteries required. (included) | 12 AAA batteries required. (included) | |||
| Included Components | Detector | 3 Water Sensors, 1 Base Station | 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 | ||
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