Scope of use:Uses: garage doors, Gate Doors, motorcycles, car alarm products, home security products, short-range wireless remote control products, industrial control products, Alarm Systems etc How to use 1.Press and hold button 1 and press button 2 four times at same time 2.Release 2 buttons till LED flashed once every three seconds 3.Put original remote in the front of new remote (about 4-5cm), press the original remote button which need to be   4.Press the button of New remote that you want to use 5.if you do not copy successfully, please repeat above steps 6.After copy successfully, please don't use any remote,then put the new remote close to the receiver to active it, press and hold the button until the led of it flash quickly,then you can try it    Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.