# Kasa KP400

*Kasa / KP400*

> The Kasa KP400 is an outdoor Wi-Fi plug with two outlets that switch separately. It is IP64 rated and reaches up to 300 ft in the open. It suits Google Home and Alexa users, with native support through the maker's cloud. Home Assistant users reach it through an integration (the maker's cloud).

- Canonical page: https://smarthomecanon.com/devices/kasa-kp400
- Last checked: 2026-10-20

## Key facts

| Fact | Value |
| --- | --- |
| Brand | [Kasa](https://smarthomecanon.com/brands/kasa) |
| Category | Plug |
| Model numbers | KP400 |
| Status | Current[^1][^2] |
| Type | Outdoor plugs[^2] |
| Matter | unknown |
| HomeKit | unknown |
| Energy monitoring | unknown |
| Outlets | 2[^2] |
| Max load | 15 A and 1875 W in total, 1/2 HP motor[^2] |
| Connectivity | Wi-Fi 2.4 GHz[^2] |
| Released | unknown |
| Weather rating | IP64[^2] |

## Integration paths

**How the Kasa KP400 connects**

| Path | Requires | Local | Features lost |
| --- | --- | --- | --- |
| [Wi-Fi cloud](https://smarthomecanon.com/protocols/wifi-cloud) | 2.4 GHz Wi-Fi network[^2] | unknown | unknown |

**Platform support for the Kasa KP400**

| Path | Platform | Support | Integration |
| --- | --- | --- | --- |
| Wi-Fi cloud | [Amazon Alexa](https://smarthomecanon.com/platforms/alexa) | Native[^2] |  |
| Wi-Fi cloud | [Google Home](https://smarthomecanon.com/platforms/google-home) | Native[^2] |  |
| Wi-Fi cloud | [Home Assistant](https://smarthomecanon.com/platforms/home-assistant) | withheld | tplink |
| Wi-Fi cloud | [Homey](https://smarthomecanon.com/platforms/homey) | withheld | nu.baretta.tplink |

## Related pages

- [Kasa plugs, outlets and power strips](https://smarthomecanon.com/lines/kasa-plugs-and-power-strips) (line)
- [Kasa](https://smarthomecanon.com/brands/kasa) (brand)
- [Wi-Fi through a cloud service](https://smarthomecanon.com/protocols/wifi-cloud) (protocol)
- [Amazon Alexa](https://smarthomecanon.com/platforms/alexa) (platform)
- [Google Home](https://smarthomecanon.com/platforms/google-home) (platform)
- [Home Assistant](https://smarthomecanon.com/platforms/home-assistant) (platform)
- [Homey](https://smarthomecanon.com/platforms/homey) (platform)

## Sources

[^1]: Kasa Smart US: smart plugs listing. https://www.kasasmart.com/us/products/smart-plugs (manufacturer, checked 2026-10-09)
[^2]: Kasa Smart Wi-Fi Outdoor Plug (KP400) - Kasa Smart US. https://www.kasasmart.com/us/products/smart-plugs/kasa-smart-wifi-outdoor-plug-kp400 (manufacturer, checked 2026-10-09)