🚪 Stay connected from porch to patio with the world’s longest-range door sensor!
The YoLink Door Sensor leverages cutting-edge LoRa technology to deliver the longest wireless range in the market—up to 1/4 mile—ensuring reliable monitoring even in Wi-Fi dead zones like basements and outbuildings. Powered by low-energy AAA alkaline batteries, it offers up to 5 years of battery life. With real-time customizable notifications via smartphone, SMS, and email, plus seamless integration with Alexa and IFTTT through the required YoLink Hub, this sensor transforms your home security into a smart, connected experience.
| Manufacturer | YoSmart |
| Part number | YS7704 |
| Item Weight | 70 g |
| Product Dimensions | 9.4 x 4.7 x 3.3 cm; 70 g |
| Batteries | 2 AAA batteries required. (included) |
| Item model number | YS7704 |
| Color | White |
| Style | 1-Pack without Hub |
| Power source type | Battery Powered |
| Temperature Range | 122 Degrees Fahrenheit |
| Plug Profile | Wall Mount |
| Batteries Included? | Yes |
| Batteries Required? | Yes |
| Battery Cell Type | Alkaline |
| tech_spec_battery_description_toys | Alkaline |
| Battery life | 5 years |
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