Wide Frequency Range: Designed to operate across a broad frequency spectrum from 250MHz to 913MHz, this remote control duplicator is suitable for various automatic door systems, ensuring high compatibility and efficiency. Universal Compatibility: This remote control is engineered to work with most remote controls on the market, making it a versatile option for garage doors, roller shutters, and alarm systems. Its advanced technology allows seamless integration with your existing setup. Simple Cloning Process: Easily duplicate fixed and learning codes with this user-friendly remote control. The cloning process is straightforward, allowing non-technical users to manage their own setup and replacements. Color: Blue Material: Plastic Due to different product batches, the appearance may vary slightly, but this does not affect functionality. Package Contents: 2 x Remote Controls Only the items listed above are included; other products are not included. Note: Light reflection and differences in display screens may cause slight variations in the color of the item shown in the picture compared to the actual product. Measurement error allowance is +/- 1-3 cm.