Set of 4 universal 433 MHz garage door remote controls, robust duplicator with 4 buttons, compatible with various brands of fixed-code replacement remote controls for garage doors and cars

General Description This set of 4 universal garage door remotes operates at 433 MHz and is designed to replace various brands of fixed-code remotes for garage doors and vehicles. Made of high-quality ABS and alloy, these remotes are robust and suitable for everyday use. Technical Specifications Operating Frequency: 433.92 MHz Operating Range: Up to 10 meters Materials: High-quality ABS and alloy Button Type: Silicone buttons Usage To erase existing data, press and hold the two top buttons until the LED flashes. To clone, hold the original remote and the universal remote together, then press the necessary buttons. The LED will flash three times to confirm a successful operation. Usage Steps: 1. Press and hold the selected button on the new remote. 2. Press and hold for approximately 1 second, then press and hold the Copy button on the old remote while holding the old remote near the new one. 3. After copying the code, the LED on the new remote should flash rapidly. 4. Release both buttons. Other information