Smart Control for Your Home

The SONOFF 4CH Pro R2/R3 offers advanced control for up to four devices, integrating seamlessly into your smart home ecosystem. This ready-to-go unit supports both WiFi and 433MHz RF connectivity, allowing for flexible operation via the app or voice commands with Alexa and Google Nest/Home.

Advanced Functionality

This smart switch supports both inching (auto-return) and self-locking modes, providing tailored control for various applications. With a maximum power of 2200W per gang and a maximum current of 10A per gang, it's suitable for a wide range of appliances. The device operates on a wide power supply range of 90-250V AC or 5-24V DC.

Durable and Safe Design

Constructed with a fire-retardant ABS V0 enclosure, the SONOFF 4CH Pro R2/R3 prioritizes safety and durability. Its compact dimensions (145*90*40mm) make it easy to install. This switch is designed for universal compatibility within smart home setups.

Key Specifications

• Power Supply: 90-250V AC (50/60Hz) / 5-24V DC
• Max Power: 2200W/gang
• Max Current: 10A/gang
• Connectivity: 2.4GHZ WiFi, 433MHz RF
• Modes: Inching, Self-locking
• Compatibility: All Compatible
• Material: Fire-retardant ABS V0

Specifications:

• Product Dimensions: 145*90*40 mm
• Power Supply: 90-250V AC / 5-24V DC
• Application: Smart Home Wifi 4 Gang Switch
• Compatibility: All Compatible
• Enclosure Material: Fire-retardant ABS V0
• Frequency: 2.4GHZ, 433Mhz , 802.11 b/g/n
• Max Current: 10A/gang
• Max Power: 2200W/gang
• Model Number: Sonoff 4CH Pro R2
• Brand Name: SONOFF

Frequently Asked Questions:

What is the SONOFF 4CH Pro R2/R3?

The SONOFF 4CH Pro R2/R3 is a 4-channel smart switch that allows you to remotely control up to four devices via WiFi or 433MHz RF. It supports inching and self-locking modes and is compatible with voice assistants like Alexa and Google Home.

What power supply does the SONOFF 4CH Pro R2/R3 use?

This smart switch operates on a wide power supply range, accepting either 90-250V AC (at 50/60Hz) or 5-24V DC. This flexibility makes it suitable for various installation environments.

Can I control the SONOFF 4CH Pro R2/R3 with my voice?

Yes, the SONOFF 4CH Pro R2/R3 is designed to work with popular voice assistants such as Amazon Alexa and Google Nest/Home, enabling hands-free control of your connected devices.

What are the inching and self-locking modes?

Inching mode means the switch will automatically turn off after a set period (e.g., 0.5 to 360 seconds). Self-locking mode means it stays on or off until you manually change its state, similar to a standard switch.