S20 Smart Socket

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S20 smart socket uk us eu cn.jpg

S20 Smart Socket (EU/US/UK/CN plug) is a wifi wireless smart socket that can connect any home appliances and electric devices via wifi, allowing you to remote control on iOS/Android APP eWeLink. After adding the smart socket to your APP, you are able to remote turn on or off your connected devices from anywhere at any time. Also, you can set timing schedules, share control of the device to others, manage group and scene with the APP.

Go shopping S20 Smart Socket(SKU:IM161115001)


  • Support 90~ 250V AC input
  • Max. input current:10A
  • Max. power: 2000W
  • Support fast configure SSID and password connection through APP
  • Support auto-connect to server, register and update status info
  • Support tracking device status and timely remote control through APP
  • Support setting countdown, single and repeat timing schedules

WIFI Characteristics

• 802.11 b/g/n

• Built-in Tensilica L106 ultra-low power consumption 32-bit micro-MCU, dominant frequency support 80 MHz and 160 MHz, support RTOS

• Built-in TCP/IP protocol stack

• Built-in TR switch, balun, LNA, power amplifier and matching network

• Built-in PLL, voltage regulator and power supply management components, 802.11b mode +20 dBm output power

• A-MPDU&A-MSDU aggregation and 0.4μs guard interval

• WiFi @ 2.4 GHz, supports WPA / WPA2 safe mode

• Support cloud OTA upgrade

• Support STA/AP/STA + AP mode

• Standby power consumption is less than 1.0 mW (DTIM3)

• Other parameters are as follows

Category Parameters Description
Wireless Parameter Wireless standard 802.11 b/g/n
Frequency range 2.4GHz-2.5GHz (2400M-2483.5M)
Operating voltage 3.0~3.6V(recommend 3.3V)
Operating current Average: 80mA
Operating temperature 0ºC-40ºC(32°F-104°F)
Operating Humidity 5%-90%RH, Non-condensing
Software Parameter Wireless network mode station/softAP/SoftAP+station
Security mechanism WPA/WPA2
Encryption type WEP/TKIP/AES
Firmware upgration Local serial programming/Cloud Upgrade/Host download programming
Software development Support secondary development
Network protocols IPv4, TCP/UDP/HTTP/FTP
User configuration cloud server, Android/iOS APP

Electrical Characteristics

Characteristics Symbol Min Typ Max Unit
Power supply voltage AC 90 - 250 V
POWER(10A) - 2000 W




Sonoff S20 FCC

Sonoff S20 FCC Test Report





S20 EU Schematic

S20 UK Schematic

S20 US Schematic

Useful Links

User Manual for S20 Smart Socket

eWeLink Step-By-Step Guide

Wi-Fi Socket/Switch Fail to be Controlled Troubleshooting

Features wanted, bug report and discuss in Itead Smart Home Forum