Decora Smart Dimmer Switch WiFi 2nd Gen - Matter Ready

In this review of the Decora Smart Dimmer Switch WiFi 2nd Gen, the bottom line is simple: this is a solid choice for homeowners who want reliable, customizable smart lighting without adding a hub. It suits anyone who values smooth dimming, remote control and voice operation via Google Assistant, Alexa or Apple Siri. The switch's support for Matter (via firmware update) and the My Leviton app make it a flexible option for modern smart homes, and the neutral wire requirement is typical for this class of smart dimmers.

Key Features

• Smooth dimming: Full range dimming performance and compatibility settings help prevent flicker with dimmable LED or CFL bulbs so lights transition without abrupt jumps.
• Custom presets: Preset light levels and customizable fade rates let users ensure lights always come on or off at preferred brightness and speed.
• Remote control: Control lights from anywhere with the My Leviton app for scheduling and away/home adjustments, useful for security or convenience.
• Voice control: Works with Google Assistant, Alexa and Apple Siri so handsfree operation is available across major voice platforms.
• Matter support: Can be enabled with a firmware update to join Matter enabled smart home platforms for broader interoperability.
• Flexible installation: Replaces an existing switch with no hub required and supports single pole or 3way installations with wired or wirefree companion options.

Who It's For

The Decora Smart Dimmer is best for homeowners and renters with a neutral wire available who want to add reliable, app and voice controlled dimming to living rooms, kitchens and bedrooms. It is ideal for users who appreciate customizing fade rates, preset levels and using smart schedules to automate lighting.

It is less suitable for rooms without a neutral wire or for shoppers who need a completely wireless battery operated inwall solution; those users should look for companion devices or different dimmers designed for noneutral installations. Also, buyers who prefer a plugin smart lamp or a simpler on/off switch may find this dimmer offers more features than required.

Pros & Cons

Pros

• Smooth, reliable dimming with settings to reduce flicker and adjust min and max brightness.
• Strong app control and scheduling via the My Leviton app for remote management and night settings.
• Voice interoperability across major assistants and future Matter support for wider platform choice.
• Easy to install with slim design and options for 3way configurations using wired or wirefree companions.

Cons

• Requires a neutral wire, which rules out some older switch boxes without rewiring.
• Some users report occasional connectivity or longevity issues, so experiences can vary between installations.

Specifications

Model	Decora Smart Dimmer WiFi 2nd Gen
Compatibility	Works with Google Assistant, Alexa, Apple Siri; Matter support via firmware
Wiring	Neutral wire required; single pole or 3way capable
Load ratings	300W dimmable LED/CFL, 600W incandescent, 600VA MLV
App	My Leviton app for setup, schedules and Night Settings
3way options	Wired companions DD00R/DD0SR or wirefree DAWDC/DAWSC

Our Verdict

The Decora Smart Dimmer WiFi 2nd Gen is a wellrounded inwall dimmer for those with a neutral wire who want flexible, smooth dimming plus app and voice control. Its customization options, remote access and future Matter support make it good value for smart home upgrades, though buyers should be aware of the neutral requirement and occasional reports of inconsistent long term reliability.

Frequently Asked Questions

Does this dimmer need a hub?
No, it connects directly to a WiFi network and uses the My Leviton app with no hub required.

Can it be used in a 3way setup?
Yes, it supports single pole or 3way installations with compatible wired or wirefree companion switches.

Will it work with my smart home system?
It works with Google Assistant and Apple Siri and can be enabled for Matter via firmware so it will integrate with many Matter enabled platforms.