# Aqara Doorbell Camera G400 (Wired)

*Aqara / DB-C03E, DB-C03D*

> The Aqara Doorbell Camera G400 (Wired) is a video doorbell, not a hub. It is powered over PoE or the existing doorbell wiring, and it connects over Wi-Fi 6. It records 2K video and works with HomeKit Secure Video, though HomeKit video is limited to 1200p. It suits HomeKit users, with native support through the maker's cloud.

- Canonical page: https://smarthomecanon.com/devices/aqara-doorbell-camera-g400-wired
- Last checked: 2026-10-09

## Key facts

| Fact | Value |
| --- | --- |
| Brand | [Aqara](https://smarthomecanon.com/brands/aqara) |
| Category | Doorbell |
| Model numbers | DB-C03E, DB-C03D |
| Status | Current[^1][^2] |
| Type | Doorbell[^3] |
| Resolution | 2K (1536 x 2048)[^4] |
| Local storage | microSD up to 512 GB, plus NAS (SMB) backup[^3][^4] |
| HomeKit Secure Video | Yes[^3] |
| Zigbee hub capacity | None (no Zigbee radio)[^4] |
| Power and network | PoE (802.3af) or 8-24 V doorbell wiring. Wi-Fi 6 on 2.4 and 5 GHz.[^4] |

## Integration paths

**How the Aqara Doorbell Camera G400 (Wired) connects**

| Path | Requires | Local | Features lost |
| --- | --- | --- | --- |
| [Wi-Fi cloud](https://smarthomecanon.com/protocols/wifi-cloud) | Wi-Fi, Aqara Home app[^4] | unknown | unknown |

**Platform support for the Aqara Doorbell Camera G400 (Wired)**

| Path | Platform | Support | Integration |
| --- | --- | --- | --- |
| Wi-Fi cloud | [HomeKit](https://smarthomecanon.com/platforms/homekit) | Native[^4] |  |

## Related pages

- [Aqara cameras and doorbells](https://smarthomecanon.com/lines/aqara-cameras) (line)
- [Aqara](https://smarthomecanon.com/brands/aqara) (brand)
- [Wi-Fi through a cloud service](https://smarthomecanon.com/protocols/wifi-cloud) (protocol)
- [HomeKit](https://smarthomecanon.com/platforms/homekit) (platform)

## Sources

[^1]: Aqara US store catalog (Shopify product feed). https://us.aqara.com/products.json?limit=250 (manufacturer, checked 2026-10-09)
[^2]: Aqara EU store catalog (Shopify product feed). https://eu.aqara.com/products.json?limit=250 (manufacturer, checked 2026-10-09)
[^3]: Doorbell Camera G400 (Wired) - Aqara US store. https://us.aqara.com/products/doorbell-camera-g400-wired (manufacturer, checked 2026-10-09)
[^4]: Doorbell Camera G400 (Wired) - Aqara global site. https://www.aqara.com/en/product/doorbell-camera-g400-wired/ (manufacturer, checked 2026-10-09)