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

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Fully operational. Shipping worldwide, on schedule.Duty & taxes paid at delivery

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Fibaro RGBW Controller 2 / Z-Wave Plus Universal LED Light Strips Controller, FGRGBWM-442, black

Fibaro RGBW Controller 2 / Z-Wave Plus Universal LED Light Strips Controller, FGRGBWM-442, black

Product ID: 162256609

Details

Brand
Fibaro
Circuit type
1-way
Connector type
Screw In
Contact type
Normally Open
Item dimensions L x W x H
42 x 38 x 20
Material
Stainless

⚡288W max power output

🎨Supports RGB/RGBW & single-color LED strips

🔒S2 AES-128 encrypted security

2535 DH

Duties & taxes included

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Sold byAmazon MoroccoDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🎛️ Elevate your smart lighting game—control, secure, and customize like a pro!

MULTI LOAD CONTROL MASTERY - Effortlessly manage RGB/RGBW LED strips, single-color LEDs, halogen lights, and compliant resistive loads with one sleek device.
ADVANCED SECURITY PROTOCOLS - Stay ahead with S0 and S2 security modes featuring AES-128 and PRNG-based encryption—your smart lighting, locked tight.
VERSATILE INPUT CONNECTIVITY - Connect switches, buttons, and 0-10V analog sensors or potentiometers for personalized, intuitive control.
REAL TIME POWER ENERGY MONITORING - Track your energy consumption actively to optimize efficiency and reduce costs without lifting a finger.
UNIVERSAL Z WAVE PLUS COMPATIBILITY - Seamlessly integrates with any certified Z-Wave or Z-Wave Plus controller for ultimate smart home synergy.

The Fibaro RGBW Controller 2 is a compact, black Z-Wave Plus certified device designed to control a wide range of LED and halogen lighting setups. It supports RGB, RGBW, and single-color LED strips, offers advanced AES-128 encrypted security modes (S0 and S2), and features active power and energy metering. With versatile input options and compatibility with any certified Z-Wave controller, it’s engineered for seamless integration into modern smart homes and commercial environments.

Specifications

Asin	B07XTNDJT2
Batteries Included	No
Batteries Required	No
Best Sellers Rank	58,665 in Lighting (See Top 100 in Lighting) 2,414 in LED Strips
Certification	Z-Wave Plus, UL
Colour	Black
Customer Reviews	4.5 4.5 out of 5 stars (79) 4.5 out of 5 stars
Date First Available	26 Sept. 2019
Finish	Painted
Guaranteed Software Updates Until	unknown
Included Components	RGBW Controller 2, User Manual
Item Model Number	RGBW
Item Package Quantity	1
Item Weight	18.1 g
Manufacturer	FIBARO
Material	Stainless Steel
Number Of Pieces	1
Part Number	FIBEFGRGBW-442
Plug Profile	Wall Mount
Power Source	Alimenté par l'Air
Product Dimensions	4.25 x 3.8 x 2 cm; 18.14 g
Shape	Rectangular
Special Features	Dimmable
Style	Light Strips Controlador
Switch Style	solid-state
Switch Type	1-way
Type Of Bulb	LED
Usage	Usage personnel et commercial
Voltage	24 Volts
Wattage	288 watts

Reviews

User

Zuverlässiger Controller

Viele Konfigurationsmöglichkeiten. Funktioniert zuverlässig.

18.06.2026

User

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

User

Simple et efficace

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

14.02.2023

User

Article conforme à la description

21.02.2026

User

Exceptional versatility

Exceptional versatility, good quality, fibaro.

13.06.2026

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2535 DH

Duties & taxes included

In stock

Sold byAmazon MoroccoDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Morocco.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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