









🚪🔒 Secure smarter, live freer—your home’s new best friend!
The YoLink LoRa Smart Door Sensor Starter Kit combines cutting-edge long-range LoRa technology with ultra-low power consumption to deliver reliable door and window monitoring up to a quarter mile away. Featuring a 5-year battery life, easy QR code setup, and versatile alerts via SMS, email, and app, it empowers busy professionals to protect their homes or businesses without monthly fees. Compatible with Alexa, IFTTT, and Home Assistant, this kit offers scalable, customizable security that fits modern smart lifestyles.



| Brand | YoLink |
| Color | 4-pack with regular hub |
| Power Source | Battery Powered |
| Compatible Devices | YoLink Hub, Door Sensor |
| Item dimensions L x W x H | 9 x 5 x 2 inches |
| Connectivity Technology | Wireless |
| Installation Type | Mounting Tape |
| Alert Type | Motion |
| Item Weight | 0.44 Kilograms |
| Voltage | 5 Volts |
| Control Method | App |
| Battery Cell Composition | Alkaline |
| Maximum Range | 0.25 Mile |
| Battery Life | 5 years |
| Included Components | Detector |
| Unit Count | 4 Count |
| Sensor Technology | LoRa |
| UPC | 850024791572 |
| Manufacturer | YoSmart |
| Part Number | YS1603-UC+YS7704-UC*4 |
| Item Weight | 15.5 ounces |
| Product Dimensions | 9 x 5 x 2 inches |
| Item model number | YS1603-UC+YS7704-UC*4 |
| Batteries | 8 AAA batteries required. |
| Style | 4-Pack with Regular Hub |
| Material | Plastic |
| Horsepower | 0.4 Horsepower |
| Item Package Quantity | 1 |
| Batteries Included? | No |
| Batteries Required? | No |
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