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: B: Material: ABS Package Contents: 1 * remote control 1 * key fob 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.