This is a fixed and mobile frequency remote cloner (433.92MHz) to copy 99.99% of common fixed and learning code remote controls. Compatible with most chips: 433MHz automatic sliding gate openers are compatible with 2264, 2260,1527, FP527, 2240, SMC918, etc. Please confirm whether your chips are suitable to order Easy to duplicate: After deleting the old code, you need to put the universal gate controller, the remote control side by side, and press a button, then press the corresponding button to copy the old remote control, the LED indicator will flash. 3 times to release, and other corresponding keys Clear the old code: press and hold the A and B keys of the automatic electric gate opener at the same time until the LED indicator flashes continuously to release; You can press any key to test, if the LED indicator flashes instead of flashing all the time, it means the code has been cleared 4 keys control: there are 4 buttons on the gate remote controls, A, B, C, D, which are used to