TP-Link S505 Smart Dimmer Switch

A Matter-certified smart dimmer switch offering full dimming control from 0% to 100% brightness, with voice control via Siri, Alexa, and Google Assistant. Features include advanced scheduling, timer options, fade on/off for smooth transitions, and away mode for enhanced home security. Easy guided installation via app, requiring neutral wiring and 2.4 GHz Wi-Fi connectivity. Compatible with major smart home platforms and UL certified for safety.

  • 4 variants
  • Voice control with Siri, Alexa, and Google Assistant
  • Connectivity: 2 variants
New prices $15 – $48
Used prices $14 – $48
Price spread ~222% Across new variants
Customer rating 4.6 1,236 ratings

Available variants (4)

Choose a variant, then open its detail page for seller-specific information.

Best value Smart Dimmer Switch — Smart Switch, TP-Link

White, 1 Gang

Amazon
Price $30.99
Updated Jun 8, 2026
Available to order
  • Matter certification for compatibility
  • Voice control with Siri, Alexa, Google Assistant
  • Easy guided installation
View variant
Smart Dimmer Switch — Smart Switch, Tapo

White, 1 Gang

Amazon
Price $16.99
Updated May 25, 2026
Available to order
Dimensions
84.58, 45.21, 33.02
Connectivity
Wi-Fi
Smart Home Ecosystem
Amazon Alexa, Apple HomeKit, Google Assistant, SmartThings
View variant
Smart Dimmer Switch — Smart Switch, TP-Link

White, 1 Gang

Amazon
Price $48.28
Updated Jun 12, 2026
Available to order
Dimensions
84.58, 44.96, 4.5
Connectivity
Wi-Fi, Matter
Smart Home Ecosystem
Amazon Alexa, Apple HomeKit, Google Assistant, Siri, SmartThings
View variant
Smart Light Switch — Smart Switch, TP-Link

White, 1 Gang

Amazon
Price $14.99
Updated Jun 1, 2026
Available to order
Dimensions
5.04 inches (length), 3.33 inches (width), 1.41 inches (height)
Connectivity
Wi-Fi 2.4 GHz, LAN Control
View variant

Variant comparison

Compare prices, availability, and key variant differences in one table.

Feature White, 1 Gang White, 1 Gang White, 1 Gang White, 1 Gang
Price $30.99 $16.99 $48.28 $14.99
Updated Jun 8, 2026 May 25, 2026 Jun 12, 2026 Jun 1, 2026
Availability Available to order Available to order Available to order Available to order
Dimensions 84.58, 45.21, 33.02 84.58, 44.96, 4.5 5.04 inches (length), 3.33 inches (width), 1.41 inches (height)
Connectivity Wi-Fi Wi-Fi, Matter Wi-Fi 2.4 GHz, LAN Control
Smart Home Ecosystem Amazon Alexa, Apple HomeKit, Google Assistant, SmartThings Amazon Alexa, Apple HomeKit, Google Assistant, Siri, SmartThings

Amazon live offers

Offers updated

7 live offers
Top live offer $14.99
New from $14.99
Used from $13.87
Offer count 7+
Seller Condition Price Shipping Updated
Third-party seller FBA Used - Like New $13.87 Free shipping 6/12/26 View offer
Sold by Amazon FBA New $14.99 Free shipping 6/12/26 View offer
Sold by Amazon FBA New $16.99 Free shipping 6/12/26 View offer
Third-party seller FBA Used - Very Good $26.13 Free shipping 6/13/26 View offer
Third-party seller FBA Used - Like New $27.52 Free shipping 6/13/26 View offer
Sold by Amazon FBA New $30.99 Free shipping 6/13/26 View offer
Third-party seller FBA Used - Like New $48.28 Free shipping 6/12/26 View offer

Overview

Compare TP-Link S505 Smart Dimmer Switch variants, pricing tiers and key differences.

Learn more

How variants differ

  • Dimensions
  • Connectivity
  • Smart Home Ecosystem

Who each variant is for

  • Start with your budget: the visible price spread across variants is about 222%.

Reviews

4.6 / 5 from 1,236 ratings
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When this device makes sense

Product confidence

Reviews

4.6
(1,236 ratings)

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