Chips could be copied,2260(all manufacturers);2262(All manufacturers);PT2264, 5326(All manufacturers);SC5262, HT600, HT680, HT6207, HT6010, HT6012, HT6014, SMC918series,527(All manufacturers);1527(All manufacturers);2240(All manufacturers);HCS101, HCS200/HCS201(part code),HCS300/HCS301, part single chip microcomputer... Portable Design: Compact and lightweight, this remote is easy to carry and use, providing convenience and efficiency Easy to Use: Features a simple ABCD button layout for straightforward operation, allowing you to control multiple gates or garage doors effortlessly One hand keeps the old remote controller, while another keeps the copy remote control, the two remote controls should be placed as closely as possible, respectively press down the copy button, when the LED indicator light flashes quickly after three flashes, this copy is successful, other key operating methods are the same Code cleaning method: Press the unlock button and lock button at the same time(some shells are the up button and down button), after the LED indicator light flashes three times, loosen any one of the buttons while the other is kept pressing, then push the released button three times, the LED indicator will enter into the fast flashing status Frequency:433 MHz Channel:4 Color:As Shown Material:ABS Package Contents: 1 * 4 Channel 433mhz Garage Remote