RGB LED Car Sign Matrix Panel – Bluetooth App Programmable Display

GCTECHING RGB LED Matrix Pixel Panel – Smart Scrolling Car Sign

Transform your rear window into a dynamic, eye-catching display with the GCTECHING RGB LED Matrix Pixel Panel. Fully programmable via Bluetooth and a free smartphone app, this flexible LED display lets you scroll custom text, animate pixel art, and even sync visuals to music — all from the palm of your hand. Made in Mainland China.

Why You'll Love It

• Fully Programmable Display: Edit scrolling text, draw DIY pixel art patterns, and create custom animations right from the app. High-resolution, pixel-dense LEDs produce crisp, vivid messages visible to drivers behind you.
• Bluetooth App Control: Pair the panel to your smartphone via Bluetooth, then adjust brightness, switch animations, edit messages, and activate music-rhythm mode — all wirelessly and in real time.
• USB Powered & Flexible: Runs on a standard USB 5V/2A connection, so you can power it from a car USB port, power bank, laptop, or any compatible USB adapter. Low heat output makes it safe to touch during use.
• IP65 Waterproof Rating: Built tough with a PC + ABS casing rated IP65, so light rain and road spray won't slow it down.
• Music Rhythm Mode: Sync the LED display to audio for a reactive, dynamic visual experience that pulses with the beat.
• Promote Positive Road Culture: Use friendly messages and expressive animations to communicate with other drivers in a fun, constructive, and courteous way.

Technical Specifications

⚠️ Important Power Note

Always use a 5V / 2A USB adapter. Using an adapter with output voltage exceeding 5V or rated current lower than 2A may prevent the panel from functioning correctly.

Learn More About LED Safety Standards

For information on consumer electronic product safety guidelines, visit the U.S. Consumer Product Safety Commission (CPSC).

Frequently Asked Questions

Q: How do I control the RGB LED matrix panel?

A: Simply download the companion smartphone app, enable Bluetooth on your phone, and pair it with the LED panel. From the app you can write custom scrolling text, design pixel art animations, adjust brightness levels, and activate music-sync mode — all wirelessly.

Q: What power source does the LED car sign need?

A: The panel is powered by a standard USB 5V/2A connection. You can plug it into your car's USB port, a USB power bank, a laptop, or any 5V/2A USB adapter. Do not use a USB source that outputs more than 5V or less than 2A.

Q: Is the LED matrix panel weatherproof for car use?

A: Yes. The panel carries an IP65 waterproof rating, meaning it is protected against dust and low-pressure water jets — suitable for rear-window and exterior car use in normal weather conditions.

Q: Can I create my own custom animations and pixel art?

A: Absolutely. The Bluetooth app includes a DIY pixel art editor so you can design your own graphics, scrolling messages, and animations frame by frame. The display supports high-resolution output for clear, sharp visuals.