W4CMR-250 Matter over Wi-Fi + RF433 Smart Dimmer Module

Smart Home Solutions.

W4CMR-250 Matter over Wi-Fi + RF433 Smart Dimmer Module

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ABOUT BRAND

Hidden In-Wall Ambience Control

Product Description

The W4CMR-250 Matter over Wi-Fi + RF433 Smart Dimmer Module is engineered to convert conventional lighting circuits into intelligent smart lighting systems while preserving the appearance of existing wall switches. Installed discreetly behind a standard switch plate, the module combines Matter over Wi-Fi networking with dependable ARC RF433 wireless communication to provide flexible lighting control through smartphone applications, compatible voice assistants, RF433 wall switches and handheld transmitters.

Designed for smooth percentage dimming of compatible lighting loads, the module enables customised brightness adjustment, timer functions, scheduling, automation routines and scene activation to improve comfort while reducing unnecessary energy consumption. Its compact concealed design makes it suitable for both new smart home projects and retrofit installations without requiring decorative switch replacement.

Ideal for homes, apartments, hotels, offices and commercial buildings, the W4CMR-250 delivers reliable wireless performance, professional installation flexibility and seamless integration into modern Matter-compatible smart home ecosystems.

Key Features

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  Model Number: W4CMR-250
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  Matter over Wi-Fi + RF433MHz communication
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  Smart dimmer module
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  Concealed in-wall installation
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  Matter-certified smart home compatibility
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  Compatible with ARC RF433 transmitters
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  Smartphone app control
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  Voice assistant compatibility
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  Smooth LED dimming
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  Timer and scheduling functions
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  Scene and automation support
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  Manual wall switch operation
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  Compact low-profile design
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  Residential, hospitality and commercial applications

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Technical Details

The W4CMR-250 combines Matter over Wi-Fi connectivity with ARC RF433 wireless communication to provide intelligent dimming control for modern lighting automation.

Device identification

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  Device Name: Matter over Wi-Fi + RF433 Smart Dimmer Module
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  Model: W4CMR-250
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  Wireless Communication: Matter over Wi-Fi + RF433MHz
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  Installation Type: Concealed in-wall module
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  Control Methods: Smartphone app, voice assistant, RF433 transmitter and manual wall switch
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  Application: Smart lighting dimming and automation

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Technical Specifications

Product Performance Characteristics

Matter Smart Home Integration

Fully compatible with Matter-enabled smart home ecosystems, providing seamless interoperability with supported mobile applications, automation platforms and voice assistants.

Dual Wireless Communication

Combines Matter over Wi-Fi networking with ARC RF433 wireless communication, allowing flexible lighting control using smartphones, RF433 transmitters and intelligent automation routines.

Professional LED Dimming

Supports smooth percentage dimming for compatible dimmable LED lamps, incandescent lighting and approved dimmable loads while enabling customised brightness control.

Compact Concealed Installation

Designed for installation behind existing wall switches or inside electrical back boxes, preserving the original appearance of decorative switch plates.

Intelligent Automation

Supports timer functions, scheduling, scene activation and customised automation routines for enhanced comfort, convenience and energy efficiency.

Professional Engineering

Designed for OEM manufacturers, electrical contractors and smart home professionals requiring dependable Matter compatibility together with ARC RF433 wireless dimming technology for residential, hospitality and commercial lighting automation.

Why Clients Select ARC Technology Co Ltd

ARC Technology Co Ltd provides industrial solutions through precision engineering and adherence to international standards. Our operations are governed by rigorous quality management systems to ensure every project meets specific technical requirements and safety protocols. We focus on delivering durable results that support long term operational efficiency for our partners.

Reliability

ARC Technology Co Ltd is an established partner providing stable and consistent industrial engineering solutions.

Quality

We integrate high service standards with a comprehensive understanding of international technical and safety regulations.

Performance

Our structured methodology protects client interests and ensures all technical objectives are achieved efficiently.

FREQUENTLY ASKED QUESTIONS

1. What core industries does ARC Technology Co Ltd serve?

We provide high-precision engineering and automation hardware for both industrial sectors and residential smart home environments. Our expertise ranges from RF signal integrity and power monitoring to robust mechanical hardware for professional building applications.

2. Are your smart home products compatible with major ecosystems?

Yes. Our latest solutions are engineered for Universal Connectivity, focusing on interoperability through the Matter standard. We also fully support established protocols including Zigbee, BLE (Bluetooth Low Energy), and Wi-Fi to ensure seamless integration with your existing devices.

3. What quality certifications do your products hold?

Quality and safety are our highest priorities. Our manufacturing facility in Shenzhen is ISO certified, and our products carry globally recognized certifications including CE, UL, FCC, RoHS, and REACH, ensuring they meet rigorous international safety and environmental standards.

4. Does ARC Technology provide custom engineering (OEM/ODM) services?

Absolutely. We act as a critical bridge for global brands in Europe and North America. Utilizing our Taiwanese R&D and Global Production model, we provide comprehensive support from initial design and rapid prototyping to final installation and manufacturing scaling.

5. How do your solutions support energy efficiency and sustainability?

We specialize in Precision Energy Management. Our hardware provides high-precision power monitoring down to the micro-amp level, allowing utilities and consumers to track, analyze, and optimize their energy usage to meet global sustainability goals.

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