meross MSS510 Smart Light Switch, Single-Pole Wi-Fi

The meross MSS510 smart light switch is a single-pole Wi-Fi switch with HomeKit support. It offers app-based remote control, voice control, and schedules, but installation requires a neutral wire and a 2.4GHz Wi-Fi connection.

At a glance

Supports Apple HomeKit and is also listed as compatible with Alexa, Google Assistant, Siri, and SmartThings.
App control, schedules, timers, countdowns, and sunrise or sunset scheduling are described.
The listing says schedules continue to work during internet outages, and describes local control within the home Wi-Fi network.
Designed to replace a single-pole switch, not a 3-way switch.

Price

$52.12Save 21%

Reference price: ~~$65.99~~

Price checked: Nov 14, 2026

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Often bought together

meross Smart Dimmer Switch Single Pole, Neutral Wire Required, APP Control | Supports Apple HomeKit, Alexa, Google & SmartThings, 2.4GHz WiFi Light Switch Dimmable LED, Voice Control Schedule, 4 Pack

$95.69

meross Smart WiFi Switch, 3-Way/Single-Pole, HomeKit Compatible, 2 Pack | Neutral Wire Required, Scheduling & Automation, Remote & Voice Control, No Hub Needed, Works with Alexa, Google, Apple Home

$43.99

Pros and cons

Pros

Remote status monitoring and app control can help manage lights away from home.
Scheduling and sunrise or sunset options support routine lighting automation.
HomeKit support offers an option for buyers using Apple's smart-home ecosystem.

Cons

Requires a neutral wire in the electrical box and a 2.4GHz Wi-Fi connection.
Not intended as a replacement for a 3-way switch.

Technical specifications

13 specifications

Identity
Brand	meross
Model	MSS510

Connectivity and controls
Wireless connection listed	Wi-Fi
Control methods listed	Remote
Wi-Fi band required	2.4GHz Wi-Fi

Electrical and switch details
Switch configuration	Single pole
Current rating	10 A
Operating voltage	110 volts
Rated wattage listed	400 watts

Dimensions and installation
Mounting type listed	Wall Mount
Dimensions listed	4.7 x 2.8 x 1.5 inches
Neutral wire	Required

Materials and protection
Material listed	Brass

What to know before buying

Installation requires a neutral wire and 2.4GHz Wi-Fi. The listing specifies a single-pole switch, not a 3-way replacement. Confirm the existing wiring and circuit type before purchase.

What’s in the box

Included

Smart Light Switch

Who is it for?

A good fit for

Homes with a neutral wire and a single-pole light circuit.
Buyers seeking app, HomeKit, voice, or scheduled control of ordinary lights.

Less suited to

Installations without a neutral wire or using a 3-way switch.
Buyers whose Wi-Fi setup does not provide 2.4GHz connectivity.

meross MSS510 Smart Light Switch, Single-Pole Wi-Fi · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.5 / 5 · 157 ratings

5 stars79%79%
4 stars10%10%
3 stars3%3%
2 stars4%4%
1 star4%4%

Customer feedback describes easy installation and setup and positive experiences with Apple Home compatibility. Connectivity is mixed, with reports of reliable operation alongside difficulty using the Apple Home app. That matters for buyers who depend on app access, even though the listing claims Wi-Fi and HomeKit support. Aggregate ratings skew positive but do not establish how the switch will work in a particular home.