【4-CHANNEL OPERATION】 Universal gate remote control, mainly suitable for rolling doors, telescopic doors, barriers, etc. The garage remote control operates four control channels and the receiving frequency is 433 MHz. 【3 FUNCTIONS】 The universal garage gate remote control has three functions because with its help you can copy codes from other remote controls, delete them and restore them. NOTE: This key Garage door remote control cannot copy encrypted rolling codes! 【UNIVERSALITY】 The operating frequency of the universal gate remote control is: 433 Mhz, so it is universal and can be used to copy signals from most remote controls. The device is versatile and self-replicating, which means you will set up your new operation quickly and easily. 【GOOD SIZE】 Elegant thanks to Its small size makes it easy to hide in your trouser or jacket pocket, or conveniently store on a shelf under your car's dashboard. 【EASY TO USE】 The universal gate remote control copy method is simple and can be