Wide Frequency Compatibility:This multi‑frequency universal garage door remote works across 280-868 MHz, including popular 433 MHz, 315 MHz, and 390 MHz bands. Ideal for replacing lost remotes or consolidating multiple gate and garage door controllers into one convenient device. Universal Garage & Gate Control:Designed to operate most mainstream garage doors, sliding gates, swing gates, and barrier systems that use compatible rolling code or fixed code receivers. Perfect for home garages, community entrances, parking lots, warehouses and industrial doors. Remote Copier / Duplicator Function:Built‑in copying function allows you to duplicate the signal of an existing compatible remote. Simply follow the pairing procedure to clone the original transmitter's code, then use this device as a full‑function replacement or backup. Easy Pairing & Programming:User‑friendly learning process with clear button operations. Simply enter learning mode on your receiver or follow the cloning steps from your original remote. No special tools or technical skills required; can be programmed in minutes following the included instructions. Color: Gray Material: plastic Package Contents: 1*Garage Door Remote Controller 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.