4 Channel 433MHz RF 12V Relay Module with Remote | Wireless Control Switch for Home Automation & Robotics

Control your electrical devices wirelessly with this 4 Channel 433MHz RF 12V Relay Module, a powerful and reliable solution for remote switching applications.

This module allows you to independently control up to 4 devices using a 433MHz RF remote, making it ideal for home automation, industrial control, and DIY electronics projects.

Designed for flexibility, it supports multiple working modes such as momentary, toggle (self-lock), and latching, giving you full control based on your application. The module offers stable communication with a typical range of up to 50–100 meters (open space).

Built with high-quality relays, it can handle high voltage loads (up to 250V AC / 10A), allowing safe control of appliances, motors, lights, and more.

Whether you're building a smart home system or a robotics project, this RF relay module provides easy wireless switching without complex wiring.

🔧 Key Features

• 4 independent relay channels (control 4 devices)
• Wireless control via 433MHz RF remote
• Operating voltage: 12V DC
• Supports multiple modes (toggle, momentary, latching)
• Long-range control (approx. 50–100m)
• High load capacity (AC 250V / DC 30V up to 10A)
• Stable and interference-resistant RF communication
• Easy installation and user-friendly operation

⚙️ Applications

• Home automation (lights, fans, appliances)
• Wireless switch control systems
• Security systems (doors, gates, alarms)
• Industrial automation and motor control
• Robotics and DIY electronics projects