Works with Home Assistant
Itead
Sonoff S20 Smart Socket
Category: Power
Updated Oct 24, 2025

Description
Highlights
- Wi-Fi smart plug available in multiple plug types (EU, UK, AU, US) with 10 A relay.
- Ships with eWeLink cloud firmware but popular for ESP8266-based custom firmware (Tasmota/ESPurna) enabling local MQTT control.
- Includes manual power button and LED indicator for pairing feedback.
Budget-friendly option when you are comfortable flashing alternative firmware for full local control.
Flash custom firmware such as Tasmota and configure MQTT credentials to integrate with Home Assistant.
Connection Path
Hubs
Via supported protocols
Protocol: wifi
- Logitech Harmony HubProtocol: wifi, infrared, bluetooth
- Xiaomi Mi Smart Home Gateway (Mi Control Hub)Protocol: zigbee, wifi
- Vera VeraPlus Home ControllerProtocol: z-wave, zigbee, bluetooth, wifi
- Wink Wink Hub (1st Gen)Protocol: z-wave, zigbee, bluetooth, lutron-clear-connect, wifi
- Wink Wink Hub 2Protocol: z-wave, zigbee, bluetooth, lutron-clear-connect, kidde, wifi
- Wink Wink RelayProtocol: zigbee, wifi, bluetooth
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