Mini Wireless Relay Switch 3.7–12V | 315MHz 433MHz RF Receiver

Mini Wireless Remote Control Relay Switch – 3.7V to 12V | 315MHz & 433MHz

Take control of your LED lights, small appliances, and DIY electronics projects with this compact Mini Wireless Remote Control Relay Switch. Operating on both 315MHz and 433MHz frequencies and supporting a wide voltage range of 3.7V to 12V, this micro receiver module is a versatile, plug-and-play solution for hobbyists, makers, and professionals alike.

Why You'll Love This Relay Switch

• Wide Voltage Compatibility: Works seamlessly with 3.7V, 5V, 6V, 9V, and 12V power supplies — perfect for a broad range of electronics and LED lamp setups.
• Dual Frequency Support: Compatible with both 315MHz and 433MHz RF signals for flexible pairing with a variety of remote transmitters.
• Ultra-Compact Design: Micro-sized form factor fits easily into tight enclosures, project boxes, and custom builds without taking up valuable space.
• Durable Construction: Built with a sturdy plastic and metal (alloy) body in a sleek black finish for long-lasting everyday use.
• Easy Integration: Ideal for controlling LED strips, LED lamps, small motors, and other low-voltage DC loads wirelessly.
• Low Voltage Safe: Operates below 50Vac or 75Vdc, meeting EU LVD low voltage safety standards.
• No High-Concern Chemicals: Manufactured with no high-concern chemical substances for a safer build.

Specifications

• Operating Voltage: 3.7V – 12V DC
• Frequency: 315MHz / 433MHz
• Material: Plastic + Metal (Alloy)
• Color: Black
• EU LVD: Below 50Vac or 75Vdc
• High-Concern Chemicals: None
• Package Contents: 1 × Mini Relay Wireless Remote Control Switch (Micro Receiver)

Made in Mainland China.

Perfect For

• LED lamp and LED strip wireless control
• DIY electronics and maker projects
• Home automation and smart lighting setups
• Robotics, RC vehicles, and low-voltage switching applications

Important Notes

• Product images are for reference only; please refer to the written specifications for exact dimensions.
• Allow ±5–10mm variation due to manual measurement.
• Actual color may vary slightly from photos due to monitor settings, lighting, and saturation differences.

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Learn More About RF Wireless Technology

To better understand how 315MHz and 433MHz radio frequency modules work in DIY and consumer electronics, visit the U.S. Consumer Product Safety Commission (CPSC) for guidance on safe use of electronic components and low-voltage devices.

Frequently Asked Questions

Q: What voltage does this mini relay wireless remote control switch support?

A: This micro receiver relay switch supports a wide input voltage range of 3.7V to 12V DC, making it compatible with most common low-voltage power supplies including 3.7V LiPo batteries, 5V USB supplies, 9V adapters, and 12V DC power sources.

Q: What frequencies does this wireless relay switch work with?

A: This relay switch supports both 315MHz and 433MHz RF frequencies, making it broadly compatible with a wide range of wireless remote transmitters commonly used in DIY electronics and home automation projects.

Q: Can I use this relay switch to control LED strips or LED lamps wirelessly?

A: Yes! This mini relay switch is specifically designed for wireless control of LED lamps, LED strips, and other small low-voltage DC loads. Simply wire it into your circuit and pair it with a compatible RF remote transmitter to control your LEDs remotely.

Q: Is this product safe for home electronics use?

A: This relay module operates below 50Vac or 75Vdc, meeting EU LVD (Low Voltage Directive) safety classifications. It also contains no high-concern chemicals. Always follow proper electrical safety practices when integrating relay modules into your projects.