Does it work with Amazon Echo (Alexa)?

Not directly but Samsung’s SmartThings does and fibaro works with the SmartThings hub, I have this rugged up myself, and works great!

whats the difference between this dimmer 2 from fibaro and the previous version? What depth of back box do you need for this to fit in there?

Main differences: Reduction in max. load to 250 W, automatic detection of the type of light load, supports both leading and trailing edge dimming (depending on load type), 500 series chipset, monitoring of power consumption, built-in Z-Wave network range indicator LED. So much improved, but with the penalty of the load reduction. Max height is 20.3 mm. This can be fitted in a 35 mm back box, with care and practice. Sorry none of this information is on the listing, but there is not much marketplace sellers can do--Amazon has tried to "improve" the product page.

I have some lights that are controlled by two switches, will this one work? do I need two of it or one is enough?

It can under the correct conditions. I just fitted one in the ceiling rose of a two way controlled light. I made the hole that the wires go through slightly bigger and slipped the 223 unit through the hole into the space above. The rose still covers the hole. Electrically the light fitting has no knowledge that there are two switches controlling it. The 223 contains two switches only S1 is needed in this case. If your case is similar then it should work fine.

What is the z save frequency?

The box with this product for Uk states 868MHz (I believe the actual European specification for Z-Wave Plus is 868.42MHz. Beware, it is different in North America, so devices are not compatible. I use this with a Samsung SmartThing hub

Fibaro Rgbw Controller 2 Z Wave Plus Universal Led Light

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Description

🌟 Illuminate your space, secure your home, and save energy — all in one sleek controller!

NEXT LEVEL SECURITY - Advanced Z-Wave S2 encryption keeps your smart home lighting safe and private.
MASTER YOUR MOOD LIGHTING - Seamlessly control RGB, RGBW, and single-color LED strips plus halogen lights for every vibe.
PLUG PLAY SMART UPGRADE - Easy installation with screw-in terminals fits into existing switch boxes—DIY or pro-friendly.
SMART ALERTS AUTOMATION - Sync with your Fibaro system to trigger lighting alerts for alarms, enhancing home safety.
ENERGY INSIGHTS AT YOUR FINGERTIPS - Track real-time power consumption to optimize efficiency and reduce bills.

The Fibaro RGBW Controller 2 is a compact, Z-Wave Plus certified smart lighting controller designed for professional-grade RGB, RGBW, and single-color LED strips, as well as halogen and resistive loads. It features four independent channels, advanced S2 security with AES-128 encryption, and active power metering for energy monitoring. Compatible with any certified Z-Wave hub, it offers easy installation in standard switch boxes and integrates seamlessly with Fibaro smart home systems for enhanced automation and security alerts.

Specifications

ASIN	B07XTNDJT2
Best Sellers Rank	35,269 in Lighting ( See Top 100 in Lighting ) 1,586 in LED Strips
Brand	Fibaro
Circuit Type	1-way
Colour	Black
Compatible Devices	LED, RGB, RGBW, halogen lamps, resistive loads
Connectivity Protocol	Z-Wave
Connector Type	Screw In
Contact Material	Stainless Steel
Contact Type	Normally Open
Control Method	Push Button
Control Type	full
Controller Type	Remote Control
Country Of Origin	Poland
Customer Reviews	4.5 4.5 out of 5 stars (75)
Global Trade Identification Number	05902701701581
Included Components	RGBW Controller 2, User Manual
Item Dimensions	42 x 38 x 20 millimetres
Item Type Name	Z-Wave Plus Universal LED Light Strips Controller
Item Weight	18 g
Manufacturer	FIBARO
Manufacturer Part Number	FIBEFGRGBW-442
Material	Stainless Steel
Model Number	RGBW
Mounting Type	Wall Mount
Number of Items	1
Number of Positions	1
Operating Voltage	24 Volts (DC)
Operation Mode	(ON)-ON-OFF, (ON)-OFF-(ON)
Product Warranty	2 year manufacturer warranty.
Smart Home Compatibility	Smart Home Compatible
Specification Met	Z-Wave Plus, UL
Switch Type	solid-state
Terminal	Screw
Unit Count	1.0 count
Wattage	288 watts

Reviews

Á**O

No funciona al 100%

Funciona,pero no me deja ejecutar escenas en Fibaro HCL,tampoco indica consumo, supongo que lo corregirán con alguna actualización... Mejor los modulos 441, esos me funcionan al 100%

10.10.2020

P**0

Simple et efficace

Super produit, appairage home assistant instantané, beaucoup de possibilité de réglage. Top

14.02.2023

N**N

Exceptional versatility

Exceptional versatility, good quality, fibaro.

13.06.2026

E**G

Article conforme à la description

21.02.2026

B**I

Schon ein paar mal verbaut ...

Habe den RGBW Controller 2 jetzt mittlerweile ein paar mal verbaut und finde ihn von mal zu mal besser. Es ist jeder Kanal einzeln ansteuerbar wenn gewünscht. Auch über SceneActivation kann er von jedem Modul aus gestartet werden über Doppelklick oder SceneSchalter. Würde ich sofort wieder kaufen, kann ich nur empfehlen. Zentrale: Fibaro Home Center 2

3.11.2020

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