Wide Frequency Range: Designed to operate across a broad frequency spect from 250MHz to 913MHz, this remote control duplicator is perfect for a variety of automatic door systems, ensuring high compatibility and efficiency. Universal Compatibility: Our remote control is engineered to work with nearly all remote controls on the market, making it a versatile choice for garage doors, roller shutters, and alarm systems. Its advanced technology ensures it adapts seamlessly to your existing setup. Simple Cloning Process: Easily duplicate fixed and learning codes with our user-friendly remote control. The cloning process is straightforward, making it accessible for non-technical users to handle their own setup and replacements. Colour:blue Material:plastic Due to different product batches, the appearance , which does not affect the use Package Contents: 2 * Remote Control Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.