# Kasa EP40M

*Kasa / EP40M*

> The Kasa EP40M is the outdoor plug on Matter. It works with HomeKit, Alexa, Google Home and SmartThings through Matter, is IP64 rated, and switches its two outlets separately. It suits HomeKit, Google Home, Alexa and Home Assistant users, with native support through Matter over Wi-Fi. SmartThings users get native support through the maker's cloud.

- Canonical page: https://smarthomecanon.com/devices/kasa-ep40m
- Last checked: 2026-10-20

## Key facts

| Fact | Value |
| --- | --- |
| Brand | [Kasa](https://smarthomecanon.com/brands/kasa) |
| Category | Plug |
| Model numbers | EP40M |
| Status | Current[^1][^2] |
| Type | Outdoor plugs[^2] |
| Matter | withheld |
| HomeKit | HomeKit via Matter[^2] |
| 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 EP40M connects**

| Path | Requires | Local | Features lost |
| --- | --- | --- | --- |
| [Matter / Wi-Fi](https://smarthomecanon.com/protocols/matter-wifi) | 2.4 GHz Wi-Fi network, Matter-compatible app[^2] | unknown | unknown |
| [Wi-Fi cloud](https://smarthomecanon.com/protocols/wifi-cloud) | 2.4 GHz Wi-Fi network, Kasa Smart app and account[^2] | unknown | unknown |

**Platform support for the Kasa EP40M**

| Path | Platform | Support | Integration |
| --- | --- | --- | --- |
| Matter / Wi-Fi | [HomeKit](https://smarthomecanon.com/platforms/homekit) | Native[^2] |  |
| Matter / Wi-Fi | [Amazon Alexa](https://smarthomecanon.com/platforms/alexa) | Native[^2] |  |
| Matter / Wi-Fi | [Google Home](https://smarthomecanon.com/platforms/google-home) | Native[^2] |  |
| Matter / Wi-Fi | [Home Assistant](https://smarthomecanon.com/platforms/home-assistant) | withheld |  |
| 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 | [Samsung SmartThings](https://smarthomecanon.com/platforms/smartthings) | Native[^2] |  |
| Wi-Fi cloud | [Home Assistant](https://smarthomecanon.com/platforms/home-assistant) | withheld | 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)
- [Matter over Wi-Fi](https://smarthomecanon.com/protocols/matter-wifi) (protocol)
- [Wi-Fi through a cloud service](https://smarthomecanon.com/protocols/wifi-cloud) (protocol)
- [HomeKit](https://smarthomecanon.com/platforms/homekit) (platform)
- [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)
- [Samsung SmartThings](https://smarthomecanon.com/platforms/smartthings) (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, Matter (EP40M) - Kasa Smart US. https://www.kasasmart.com/us/products/smart-plugs/smart-wifi-outdoor-plug-ep40m (manufacturer, checked 2026-10-09)