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SONOFF S31 Compact Design Smart Plug with Energy Monitoring [US Plug]

Item No.: 849900720A | MOQ: 1 | Ships in 1 - 3 days |
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Product Description

SONOFF S31 Compact Design Smart Plug with Energy Monitoring [US Plug]

SONOFF S31 is a compact and lightweight US standard Wi-Fi smart plug with power monitoring. Both S31 and S31 Lite are UL certificated, this means they reach the indispensable security and reliability standard that a smart plug must have. Note that power consumption and over-load protection are available for S31.  

The smart plug lets you control home appliances via eWeLink APP anywhere, anytime. Also, third-party platforms like Amazon Alexa and Google Assistant can seamlessly work with this plug for a voice-controlled home. The small size makes the smart plug will not occupy another outlet of your socket or power strip during, which reserves more space for other plugs. Convenient to use, plug and play. 

Bring a S31 home, keeping track of the real-time power, current and voltage of your home appliances via APP to view which one is power-hungry and power-saving. You can also measure electricity consumption for a specified period. Besides, Features over-load protection which allows you to set the power, current and voltage value for your appliances, and this smart plug will automatically turn off connected devices in case of reaching any one of the set value. S31 provides you 100 days of historical power consumption data record (support to export) and monthly electricity bill forecast. Monitor and understand which appliances are consuming most, then create scheduled or countdown timers to keep your electricity bill down. For other features like smart scene, sync status, share control, these are the same as S20 smart plug.

  • Turn on/off connected device wirelessly anywhere anytime

  • Provide real-time power/current/voltage of your appliances (S31 Only)

  • Provide 100 day historical power consumption data and electric bill (S31 Only)

  • Set limited power/current/voltage value to auto-off, protect from overload (S31 Only)

  • Device status synchronously display on your phone

  • Support Max 8 enabled scheduled/countdown timing tasks

  • Share Control with your family

  • Works with Amazon Echo, Echo Dot, Amazon Tap

  • Works with Google Home, Google Nest

  • Works with IFTTT


  • Max. Current: 15A

  • Voltage Input: 90~264V AC, 50/60HZ

  • Wireless Standard: 2.4GHz, 802.11 b/g/n

  • Receive Sensitivity: 802.11b: <-84dBm(11Mbps); 802.11g: <-68dBm(54Mbps)

  • Output Power: 802.11b:16±2dBm; 802.11g:13±2dBm

  • Security Mechanism: WEP/WPA-PSK/WPA2-PSK

  • Encryption: AES/TKIP

  • Working Temp: -20 °C ~ 75 °C

  • Working Humidity: 10%-80%

  • Product Dimensions: 75.7x39.7x32mm

  • Weight: 135g

  • Certification: FCC Certification , UL Certification

Package included:

  • 1 x SONOFF S31 Compact Design Smart Plug with Energy Monitoring [US Plug]
  • 1 x English User Manual


Gross Weight 0.123kg
Volume Weight 0.045kg
Length 8.200cm
Width 4.400cm
Height 5.600cm
Weight 0.110kg
With Retail Packaging Yes
849900720A-1 849900720A-2 849900720A-3 849900720A-4 849900720A-5 849900720A-6 849900720A-7 849900720A-8
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