Model: FTDBF01EN - An garage door remote control compatible with frequencies from 280MHz to 868MHz, including 287MHz, 315MHz, 390MHz, 433.92MHz, and 868MHz.Effective Range: Effective from 30m to 150m in open space, ensuring reliable operation from a distance.Battery: Includes a long-lasting CR2032 battery for extended life.Code System: Supports variable and fixed codes; fixed codes are easy to copy, while rolling codes require programming on the receiver.Capacity: Simultaneously copies up to four remote controls from different for added convenience.Color: C: YellowMaterial: ABSPackage Contents:1 * remote control1 * key fobOnly 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.