Universal Cloning Function: Supports cloning of rolling code and fixed code remotes from many , enabling you to quickly copy your original remote signal and create a reliable backup controller Specifications: Due to different batches, there may be differences in product appearance and printed text, which not affect use Wide Frequency Range: Compatible with 280-868MHz systems, this remote control duplicator works with a broad variety of electric garage door openers, gate operators, barrier systems, and door access controllers Four Programmable Keys: Equipped with 4 buttons, allowing you to control up to four different devices such as garage doors, sliding , swing , shutters, or security barriers with one compact remote This remote control duplicator is designed for convenience and versatility, making it an essential tool for managing multiple access points efficiently., Weight: 0.14770971554 pounds, Manufacturer: Xnuiasqe