Leviton Decora Smart Dimmer Companion Review (2026): A Spec-Based Look
As an Amazon Associate we earn from qualifying purchases. Links on this page are affiliate links.
This leviton decora smart dimmer companion review covers the DD00R-DLZ, a device designed for multi-location control. It is not a stand-alone switch. You must pair it with a compatible primary Leviton Decora Smart or Decora Digital dimmer. The unit supports 120/277VAC circuits and requires a neutral wire for installation. Its compact dimensions measure 1.43 inches in width and 4.13 inches in height. The switch functions as a companion to manage brightness or fan speed from a secondary location. It integrates seamlessly with existing Decora Smart ecosystems for consistent operation across multiple entry points.
What stands out
- Multi-Location 3-Way Circuit Support
- Neutral Wire Required for Installation
- LED Locator Light for Dark Rooms
- Compatible Faceplate Colors Available
- Matches Primary Dimmer Functionality
Who it fits
Good fit for
This switch suits homeowners installing secondary controls in long hallways, staircases, or large rooms with multiple entrances. It is ideal for users who already own a primary Leviton Decora Smart dimmer or fan speed control. The neutral wire requirement makes it a good fit for newer homes or renovated spaces with updated wiring. If you need to control lighting or ceiling fans from another wall location without replacing the main switch, this companion unit provides the necessary access and matching aesthetic.
Who should skip it
You should look at another option if you need a stand-alone dimmer. This device requires a primary companion to function and cannot control lights on its own. It is also unsuitable for installations where a neutral wire is not available at the switch box. Additionally, if you prefer a different switch style that does not match the Decora Smart line, this unit may not fit your decor preferences. Users seeking a simple on/off switch without dimming capabilities should consider the Switch Companion variation instead.
Verdict: The Leviton Decora Smart Dimmer Companion is a practical solution for adding secondary control to existing smart dimmer setups. It delivers consistent functionality and aesthetic alignment for multi-location lighting needs.
Key specs explained for this companion
Circuit Type: Multi-Location, 3-Way
This specification confirms the device supports 3-way wiring configurations. You can install it alongside a primary switch to control the same load from two different locations. This is ideal for hallways, staircases, or large rooms. When shopping for smart home controls, ensure your existing wiring supports this setup. It allows flexible placement without requiring new electrical runs.
Switch Function: Dimmer Companion
The unit acts as a secondary controller for a primary dimmer. It does not operate independently. You must pair it with a compatible Leviton Decora Smart or Digital dimmer. This function allows you to adjust brightness or turn lights on and off from the companion location. Verify your primary device is a compatible dimmer before purchasing.
Wiring Requirement: Neutral Required
Installation requires a neutral wire in the switch box. This is a standard requirement for most modern smart devices. If your existing box lacks a neutral wire, you may need an electrician to install one. Check your current wiring before starting. This spec ensures reliable power and connectivity for the smart features to function correctly.
Size: 1 pack
The product is sold as a single unit. You buy one companion switch per pack. If you need multiple companion locations, you must purchase additional packs. This packaging detail helps you calculate the total quantity needed for your project. Compare this with multi-packs offered by other brands to determine the best value for your specific multi-location requirements.
Physical design and build specs
The listing describes the Leviton Decora Smart Dimmer Companion as a companion unit for multi-location setups. It is not a stand-alone device. You must pair it with a compatible primary Leviton Decora Smart or Decora Digital dimmer. The model DD00R-DLZ is part of a pack of one. According to the listing, the unit measures 1.43 inches in width, 4.13 inches in height, and 2.12 inches in length. It weighs 5.6 ounces. These dimensions match standard wall switch boxes. You can replace an existing 3-way switch without modifying the electrical box. The device requires a neutral wire for installation. This is a standard requirement for smart switches. It ensures stable power for the internal electronics.
The listing notes that the companion switch matches the look and functionality of your primary dimmer or fan control. This creates a seamless appearance across multiple locations. You can change the color at any time with a new faceplate. The DDKIT faceplates are available in white, ivory, light almond, gray, black, and brown. This allows you to complement your home decor. The unit includes an LED locator light. This light illuminates when the light or ceiling fan is off. It makes it easy to locate the switch in the dark. You can use this companion at the top or bottom of staircases, in long hallways, or in large rooms with multiple entrances. It provides access exactly where you need it.
Setup and daily operation guide
Installation requires a neutral wire. You replace an existing three-way switch with this unit. The device does not function independently. It must connect to a primary Leviton Decora Smart or Decora Digital dimmer or fan speed control. This setup enables multi-location control. You can place the companion switch at the top or bottom of staircases, in long hallways, or at different entrances in large rooms. The unit matches the look of your primary control. You can change the faceplate color at any time. Available options include white, ivory, light almond, gray, black, and brown. This allows you to complement your home decor. Daily use involves turning lights or ceiling fans on and off. You can also adjust brightness or fan speed from the companion location. The device supports 120/277VAC circuits. A key feature is the LED locator light. This light illuminates when the load is off. It helps you find the switch in the dark. The unit weighs 5.6 ounces. It measures 1.43 inches wide, 4.13 inches high, and 2.12 inches deep. You receive one pack. The model DD00R-DLZ provides seamless operation when paired correctly. You rely on the primary device for smart features. This companion extends control reach without adding complexity to your wiring. The design ensures consistent functionality across multiple entry points.
Key Requirements For This Companion
You must verify your primary switch compatibility before purchasing. This unit only works with Leviton Decora Smart or Decora Digital dimmers. It cannot control lights alone. You need a main switch to manage brightness and power. Check your existing hardware to ensure it matches these specific models. If you use a different brand, this companion will not function. You also need a neutral wire in your switch box. Most modern homes have one, but older wiring might lack it. Installation involves replacing an existing three-way switch. You do not need to remove the primary device. The LED locator helps you find the switch in dark rooms. This accessory fits well into a broader smart home setup. It adds convenience without requiring a full system overhaul. You can change the faceplate color to match your decor. This allows for a seamless look alongside other Leviton products. Consider your room layout and existing wiring before buying.
Check before you buy
- Confirm primary switch is Leviton Decora Smart or Digital
- Check for neutral wire in your switch box
- Ensure existing setup uses 3-way wiring configuration
- Verify voltage matches 120 or 277VAC circuits
The product at a glance
Leviton Decora Smart Dimmer Companion
Best for: multi-location smart dimmer control
- Wiring Requirement
- Neutral required
- Circuit Type
- Multi-location, 3-way
- Switch Function
- Dimmer Companion
- Dimensions
- 2.12 × 1.43 × 4.13 inches
- Weight
- 5.6 ounces
View on Amazon: Leviton Decora Smart Dimmer Companion Affiliate link
The Leviton Decora Smart Dimmer Companion (DD00R) is a multi-location switch designed to work alongside a primary smart dimmer or fan control. It requires a neutral wire for installation and supports 120/277VAC circuits. This device allows you to control lighting or ceiling fans from additional wall locations, such as staircases or large rooms. It features an LED locator light for visibility in the dark and matches the aesthetic of your primary control.
Pros
- Enables multi-location control with compatible primary smart dimmers
- Includes an LED locator light for dark environments
- Neutral wire required for standard installation
- Compatible with 120/277VAC circuits
Cons
- Not a stand-alone device; requires a primary controller
- Limited to dimmer or fan speed control functions
- No remote or app control included for standalone use
Good fit if
- You need additional control points for a smart dimmer
- You are installing switches in large rooms or hallways
- You want a matching aesthetic for your smart home setup
Skip if
- You need a standalone switch without a primary controller
- Your wiring does not include a neutral wire
- You want to control lights from a single location only
Verdict: Leviton Decora Smart Dimmer Companion Switch is a practical add-on for existing smart lighting setups. It fits homes where you need extra control points for dimmers or fans, provided you have a compatible primary device and neutral wiring.
Specifications side by side
| Spec | Leviton Decora Smart Dimmer Companion |
|---|---|
| Wiring Requirement | Neutral required |
| Circuit Type | Multi-location, 3-way |
| Switch Function | Dimmer Companion |
| Dimensions | 2.12 × 1.43 × 4.13 inches |
| Weight | 5.6 ounces |
| Size | 1 pack |
| Color | White, Ivory, Light Almond |
| Model | DD00R-DLZ |
Frequently asked questions
Is the Leviton Decora Smart Dimmer Companion a standalone switch?
No, it is not a standalone device. You must pair it with a compatible primary Leviton Decora Smart or Decora Digital dimmer. This companion unit serves only as an add-on for multi-location control. It cannot manage lighting or fan loads on its own. You need a main switch to handle power and brightness adjustments.
What electrical circuits does this device support?
The unit supports 120/277VAC circuits. This voltage range allows it to work with standard residential and commercial lighting systems. Ensure your existing wiring matches these specifications before installation. The device is designed to integrate seamlessly into these voltage environments when paired with the correct primary controller.
Does the Leviton DD00R-DLZ require a neutral wire?
Yes, installation requires a neutral wire. You cannot install this unit without connecting to the neutral line in your electrical box. This requirement is standard for many smart home devices to maintain consistent power for internal electronics. Verify your box has a neutral wire before beginning the replacement process.
What colors are available for this companion switch?
You can choose from White, Ivory, or Light Almond finishes. These standard wall plate colors help match existing decor in your home. The listing provides these specific options to ensure visual consistency with your current Leviton Decora Smart or Decora Digital dimmer units.
What are the physical dimensions of the switch?
The device measures 1.43 inches in width, 4.13 inches in height, and 2.12 inches in length. It weighs 5.6 ounces and comes in a 1-pack size. These compact dimensions fit standard single-gang electrical boxes. The weight is minimal, making it easy to handle during installation.
Can I use this with a fan speed control?
Yes, the companion works with a primary Leviton Decora Smart or Decora Digital dimmer or fan speed control. This flexibility allows you to control both lighting and ceiling fans from multiple locations. You simply pair the companion unit with the appropriate primary device for your specific load type.
Is this switch suitable for 3-way wiring configurations?
Yes, it supports 3-way wiring configurations. You can install it alongside a primary switch to control the same load from two different locations. This setup is ideal for hallways, staircases, or large rooms where you need access from multiple points. It functions strictly as the secondary control point.