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🔐 Secure smarter, live freer — the future-proof sensor your home deserves!
The YoLink LoRa Smart Door & Window Sensor 3-Pack offers ultra-long-range wireless monitoring with up to 0.25 miles open-air coverage, powered by low-energy LoRa technology for up to 5 years on battery. Designed for effortless peel-and-stick installation, it integrates seamlessly with Alexa, IFTTT, and Home Assistant, providing customizable alerts and automation. Unique device-to-device pairing ensures your security stays active even without internet or power, making it a robust, reliable choice for modern smart homes and businesses.




























| ASIN | B083YYHC7M |
| ASIN | B083YYHC7M |
| Alert Type | Entry Only |
| Batteries | 6 AAA batteries required. |
| Battery Cell Type | Alkaline |
| Best Sellers Rank | #133,578 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #147 in Home Security Door & Window Sensors |
| Brand | YoLink |
| Built-In Media | Battery, Sensors, Siren |
| Color | 3-pack without hub |
| Compatible Devices | Smartphone |
| Connectivity Technology | Wireless |
| Control Method | App |
| Customer Reviews | 4.6 4.6 out of 5 stars (691) |
| Customer reviews | 4.6 4.6 out of 5 stars (691) |
| Date First Available | 15 May 2022 |
| Global Trade Identification Number | 00750258361636 |
| Installation Method | Mounting Tape |
| Item Type Name | Door Sensor |
| Item Weight | 66 Grams |
| Item model number | YS7704-UC*3 |
| Manufacturer | YoLink |
| Manufacturer | YoLink |
| Maximum Range | 0.25 Miles |
| Mfr Part Number | YS7704-UC*3 |
| Model Number | YS7704-UC*3 |
| Package Dimensions | 15.9 x 12.4 x 3.9 cm; 66 g |
| Power Source | Battery Powered |
| Sensor Technology | LoRa |
| UPC | 075025836163 750258361636 |
| Unit Count | 3 Count |
| Voltage | 3 Volts |
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