4-in-1 Remote Control Duplicator，Universal Duplicator Remote Garage Door Remote Copy Fixed Code and Rolling Code Remote Control

How to use (very easy) Clear code: using two fingers hold two buttons at same time (i.e. A & B or B & C etc.); the LED will rapidly flash 3 times in about 2 seconds; let one of the fingers go (the other finger should stay holding one of the button) and then use the loose finger to quickly click three times on the loose button until the LED light flashes; then release both buttons; then press any one key of the remote control. When LED light goes off it means clear code is successful (four keys all empty); if after you press any button of the remote control the light is still on it indicates that the original code has not been cleared successfully. You need to re-clear and only successfully clearing the code can cloning be successful. You can repeatedly clear and clone the code. Copy: left hand taking the original remote control right hand taking our remote control duplicator and keep two remote control as close as possible; press the first buttons of two remote controls at the same time; in about 2 seconds the LED light will flash quickly 2 times; after one second the indicator light keeps flashing and let go of your fingers; and then press the key after successful pairing the light keeps on which means that the first key code on original remote control has been copied to the other remote control; the same method can be used in turn on the second key the third key... If the copy is successful the remote control function is the same as the original matching remote control. Restore: When you accidentally clear the copy of the remote control code you can simultaneously press the copy of the remote control of the bottom two keys LED lights will flash quickly let go after pressing any key. When the light is long this Indicates that the code for the remote control is restored.