Will this fit into a standard outlet/switch box in the wall?

In my opinion, it would be tight if you could get it in. Plus, you wouldn't have access to the power switch if needed.

Can I use this for my electric dryer? To notify me when it finished?

You can use it for electric dryer as long as its current rating is below 16Amp (or 20 Amp) - depends on the model you have. As for notification - it does not have such the function, however, you can see if the elctric dryer is On or Off by checking Amp readining (current) on the screen (either on the unit iteself or eWelink application).

Would this support 10volts for the lowest cuttoff setting?

It does not have such functionality (undervoltage relay)

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Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

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SONOFF POWR320D Elite 20A WiFi Smart WiFi Wireless Light Switch with Energy Monitoring, Universal DIY Module for Smart Home, Works with Amazon Alexa & Google Home, No Hub Required

Product ID: 462033061

Details

Brand
SONOFF
Connector Type
Clamp
Contact Type
Normally
Current Rating
15 A
Item dimensions L x W x H
0.39 x 0.39 x
Material
Plastic

⚡20A max load for heavy-duty appliances

📊6-month hourly energy consumption data

🖥️Real-time LCD screen monitoring

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Sold byAmazon PanamaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

⚡ Empower your smart home with elite energy control!

SEAMLESS SMART CONTROL - Voice, app, and LAN control compatible with Alexa & Google Home—no hub needed.
POWER UP WITH CONFIDENCE - Supports up to 20A load, perfect for all your smart home essentials without compromise.
DATA DRIVEN ENERGY SAVINGS - Track and export 6 months of hourly power usage to optimize your bills and eco-impact.
DIY FRIENDLY FUTURE READY - Universal module design with easy wall-mount installation for the savvy smart home builder.
INSTANT APPLIANCE PROTECTION - Customizable overload thresholds automatically shut off power to safeguard your devices.

The SONOFF POWR320D Elite is a 20A WiFi smart switch featuring real-time LCD energy monitoring, 6-month detailed consumption history export, and customizable overload protection. Compatible with Alexa and Google Home, it offers versatile voice and app control without requiring a hub, making it an essential upgrade for any modern smart home setup.

Specifications

ASIN	B09XB3RZB9
Actuator Type	Hinge Lever
Best Sellers Rank	#238,247 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #45 in Home Automation Modules
Brand Name	SONOFF
Circuit Type	12-way
Color	White
Compatible Devices	Amazon Alexa, Google Assistant, IFTTT, eWeLink Web (under eWeLink Advanced plan)
Connectivity Protocol	Wi-Fi
Connector Type	Clamp
Contact Material	Plastic
Contact Type	Normally Closed
Control Method	Voice
Control Type	Advanced
Controller Type	Amazon Alexa
Current Rating	15 A
Customer Reviews	4.4 4.4 out of 5 stars (742)
International Protection Rating	/
Item Dimensions	0.39 x 0.39 x 0.39 inches
Item Weight	140 g
Manufacturer	SONOFF
Material Type	Plastic
Model	POWR320D
Mounting Type	Wall Mount
Number of Items	1
Number of Positions	1
Operating Voltage	120 volts
Operation Mode	ON-ON
Part Number	POWR320D
Specification Met	802.11 B/G/N 2.4ghz
Switch Type	Rocker
Terminal	Screw
Unit Count	1 Count
Wattage	4800 watts

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Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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B/.84

Duties & taxes included

In stock

Sold byAmazon PanamaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Panama.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

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Excellent communication throughout the order process. Product is perfect.

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