SONOFF

SONOFF S31 US Wi-Fi Smart Plug with Energy Monitoring

Name: SONOFF S31 US Wi-Fi Smart Plug with Energy Monitoring
Brand: SONOFF

Smart plugPower meteringWi-Fi

Retailer listing · 1 offer collected

ITEAD / SONOFF$10.90

Listed equipment price · lowest price out of stock

Out of stock when checkedView retailer offer Price observation: 2026-11-07 · USD

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Retailer price observations for SONOFF S31 US Wi-Fi Smart Plug with Energy Monitoring
Retailer	Listed price & quantity	Availability & condition	Observed	Shop
ITEAD / SONOFFStore policies & support	$10.90Single item	Out of stock when checkedNew	2026-11-07Source date 2026-11-07	View offer

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Published specifications and their source
Specification	Listed value	Source
Device function	Smart plug	Manufacturer documentationReviewed 2026-11-07
Device communication protocols	Wi-Fi	Manufacturer documentationReviewed 2026-11-07
Documented platform integrations	eWeLink / Amazon Alexa / Google Home	Manufacturer documentationReviewed 2026-11-07
Electrical power / energy metering	Yes	Manufacturer documentationReviewed 2026-11-07
Device power source	120 V AC plug-in	Manufacturer documentationReviewed 2026-11-07
Rated current (A)	15Maximum current on the exact US S31 product; do not infer motor/HVAC load ratings.	Manufacturer documentationReviewed 2026-11-07
Wireless band	2.4 GHz	Manufacturer documentationReviewed 2026-11-07
Paid feature conditions	The manufacturer lists IFTTT integration as requiring the eWeLink Advanced Plan. Basic eWeLink control and power monitoring are described separately; a blanket free-subscription assertion is withheld.	Manufacturer documentationReviewed 2026-11-07
Minimum AC supply voltage (V AC)	120AC input, not DC or a worldwide 240V rating.	Manufacturer documentationReviewed 2026-11-07
Maximum AC supply voltage (V AC)	120	Manufacturer documentationReviewed 2026-11-07