# YoLink Outdoor Contact Sensor

*YoLink / YS7707*

> The YoLink Outdoor Contact Sensor (YS7707) monitors doors, gates and windows indoors or outdoors with included magnetic contacts. It suits Alexa users, with native support through the maker's hub. Home Assistant users reach it through an integration (the maker's hub).

- Canonical page: https://smarthomecanon.com/devices/yolink-outdoor-contact-sensor
- Last checked: 2026-10-20

## Key facts

| Fact | Value |
| --- | --- |
| Brand | [YoLink](https://smarthomecanon.com/brands/yolink) |
| Category | Contact sensor |
| Model numbers | YS7707 |
| Status | Current[^1] |
| Type | Contact sensor with external magnetic contacts[^1] |
| Power | 2 AA batteries[^1] |
| Location | Indoor and outdoor[^1] |
| Key spec | Operating -4 to 122 F; magnet trigger up to 0.7 in[^1] |
| Radio | LoRa to a YoLink hub[^1] |

## Integration paths

**How the YoLink Outdoor Contact Sensor connects**

| Path | Requires | Local | Features lost |
| --- | --- | --- | --- |
| [Proprietary + hub](https://smarthomecanon.com/protocols/proprietary-gateway) | YoLink Hub[^1] | unknown | unknown |

**Platform support for the YoLink Outdoor Contact Sensor**

| Path | Platform | Support | Integration |
| --- | --- | --- | --- |
| Proprietary + hub | [Amazon Alexa](https://smarthomecanon.com/platforms/alexa) | Native[^1] |  |
| Proprietary + hub | [Home Assistant](https://smarthomecanon.com/platforms/home-assistant) | withheld |  |
| Proprietary + hub | [Homey](https://smarthomecanon.com/platforms/homey) | withheld | com.yolink |

## Related pages

- [YoLink door, motion and vibration sensors](https://smarthomecanon.com/lines/yolink-door-motion-and-vibration-sensors) (line)
- [YoLink](https://smarthomecanon.com/brands/yolink) (brand)
- [Proprietary radio with a hub](https://smarthomecanon.com/protocols/proprietary-gateway) (protocol)
- [Amazon Alexa](https://smarthomecanon.com/platforms/alexa) (platform)
- [Home Assistant](https://smarthomecanon.com/platforms/home-assistant) (platform)
- [Homey](https://smarthomecanon.com/platforms/homey) (platform)

## Sources

[^1]: YoLink Outdoor Contact Sensor - YoLink. https://shop.yosmart.com/products/ys7707 (manufacturer, checked 2026-10-20)