Best Smart Light Switches · head-to-head

Meross Smart Light Switch MSS510HK vs TP-Link Tapo S505D Smart Wi-Fi Dimmer Switch (Matter)

A sourced, side-by-side comparison. Meross Smart Light Switch MSS510HK is cheaper at $29.99. Every spec and price links to its source.

Full spec sheet

marks the stronger figure where "more" — or "less", for price and weight — is unambiguously better.

Spec Meross Smart Light Switch MSS510HK TP-Link Tapo S505D Smart Wi-Fi Dimmer Switch (Matter)
US price $29.99
BrandMerossTP-Link Tapo
Released2025
Type switch dimmer
Protocol wi-fi 2.4 GHz wi-fi 2.4 GHz + matter
Hub required No No
Neutral wire required Yes Yes
Three way capable No No
Works with alexa, apple_home, google_home, smartthings, siri alexa, apple_home, google_home, smartthings, matter
Single pole Yes Yes
Release year 2025

Sources — Meross Smart Light Switch MSS510HK: shop.meross.com (verified 2026-06-20). TP-Link Tapo S505D Smart Wi-Fi Dimmer Switch (Matter): tp-link.com (verified 2026-06-20).

What's the difference between the Meross Smart Light Switch MSS510HK and TP-Link Tapo S505D Smart Wi-Fi Dimmer Switch (Matter)?

Where the two actually differ on the specs we track (3 of 7). Matching specs are omitted.

  • Type: Meross Smart Light Switch MSS510HK switch vs TP-Link Tapo S505D Smart Wi-Fi Dimmer Switch (Matter) dimmer
  • Protocol: Meross Smart Light Switch MSS510HK wi-fi 2.4 GHz vs TP-Link Tapo S505D Smart Wi-Fi Dimmer Switch (Matter) wi-fi 2.4 GHz + matter
  • Works with: Meross Smart Light Switch MSS510HK alexa, apple_home, google_home, smartthings, siri vs TP-Link Tapo S505D Smart Wi-Fi Dimmer Switch (Matter) alexa, apple_home, google_home, smartthings, matter

What reviewers say

Sourced tester consensus for each — the "what people who used it think" layer, not just specs.

Meross Smart Light Switch MSS510HK

Both sources are from a single whitelisted outlet, Reviewed (USA Today), covering the Meross smart light switch (named 'MSS510', the HomeKit MSS510HK trim) across two smart-switch guides. The 2022 Apple HomeKit guide is hands-on tested; the 2023 guide is largely research-based per its editor's note. Neither published any lab measurement (response time, dB, or watts). Reviewers call it reliable, easy to install, and responsive across Alexa, Google Assistant, and Siri, while flagging budget build quality, a loud physical click, no app two-factor authentication, and an annoying on/off confirmation prompt. iMore, ShopSavvy and homekitnews were excluded as non-whitelisted. (2 sourced reviews, 1 lab-tested.)

Praised: Reliable and responsive to voice commands and remote/app control; Easy installation, helped by included wire-label sheet; Works with Alexa, Google Assistant, and Siri/HomeKit.

Flagged: Cheap / budget build quality, feels less premium than top picks; Loud physical click when the switch is pressed; Companion app lacks two-factor authentication.

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