# Kasa KL420L5

*Kasa / KL420L5*

> The Kasa KL420L5 is a 5 m (16.4 ft) multicolor Wi-Fi light strip whose 50 color zones are controlled separately. It works with Alexa and Google Assistant. 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-kl420l5
- Last checked: 2026-10-20

## Key facts

| Fact | Value |
| --- | --- |
| Brand | [Kasa](https://smarthomecanon.com/brands/kasa) |
| Category | Light strip |
| Model numbers | KL420L5 |
| Status | Current[^1] |
| Type | Light strip[^1] |
| Color | Multicolor, 50 color zones[^1] |
| Brightness | unknown |
| Base or length | 16.4 ft (5 m)[^1] |
| Voice assistants | Alexa, Google Assistant[^1] |
| Hub | unknown |

## Integration paths

**How the Kasa KL420L5 connects**

| Path | Requires | Local | Features lost |
| --- | --- | --- | --- |
| [Wi-Fi cloud](https://smarthomecanon.com/protocols/wifi-cloud) | 2.4 GHz Wi-Fi network, Kasa Smart app[^1] | unknown | unknown |

**Platform support for the Kasa KL420L5**

| Path | Platform | Support | Integration |
| --- | --- | --- | --- |
| Wi-Fi cloud | [Amazon Alexa](https://smarthomecanon.com/platforms/alexa) | Native[^1] |  |
| Wi-Fi cloud | [Google Home](https://smarthomecanon.com/platforms/google-home) | Native[^1] |  |
| Wi-Fi cloud | [Home Assistant](https://smarthomecanon.com/platforms/home-assistant) | withheld | tplink |
| Wi-Fi cloud | [Homey](https://smarthomecanon.com/platforms/homey) | withheld | com.tplink.kasa |

## Related pages

- [Kasa bulbs and light strips](https://smarthomecanon.com/lines/kasa-bulbs-and-light-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]: KL420L5 Kasa Smart Light Strip, Multicolor - TP-Link US. https://www.tp-link.com/us/smart-home/new-release/kl420l5/ (manufacturer, checked 2026-10-12)