# eufy eufyCam S3 Pro

*eufy / T81621W1*

> The eufy eufyCam S3 Pro is a 4K solar add-on camera with MaxColor Vision and radar and PIR motion detection. It works with HomeKit and Alexa. It suits HomeKit and 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/eufy-eufycam-s3-pro
- Last checked: 2026-10-20

## Key facts

| Fact | Value |
| --- | --- |
| Brand | [eufy](https://smarthomecanon.com/brands/eufy) |
| Category | Camera |
| Model numbers | T81621W1 |
| Status | Current[^1] |
| Type | Solar camera[^1] |
| Resolution | 4K[^1] |
| Power | Integrated SolarPlus 2.0 solar panel[^1] |
| Local storage | No storage in the camera; 16 GB built-in on HomeBase S380[^1] |
| Hub or recorder | unknown |
| Voice and smart home | HomeKit, Alexa[^1] |

## Integration paths

**How the eufy eufyCam S3 Pro connects**

| Path | Requires | Local | Features lost |
| --- | --- | --- | --- |
| [Proprietary + hub](https://smarthomecanon.com/protocols/proprietary-gateway) | eufy HomeBase S380[^1] | unknown | unknown |

**Platform support for the eufy eufyCam S3 Pro**

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

## Related pages

- [eufyCam and HomeBase](https://smarthomecanon.com/lines/eufy-eufycam-and-homebase) (line)
- [eufy](https://smarthomecanon.com/brands/eufy) (brand)
- [Proprietary radio with a hub](https://smarthomecanon.com/protocols/proprietary-gateway) (protocol)
- [HomeKit](https://smarthomecanon.com/platforms/homekit) (platform)
- [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]: eufyCam S3 Pro product page, eufy US store. https://www.eufy.com/products/t81621w1 (manufacturer, checked 2026-10-13)