How to Use it: https://www.youtube.com/watch?v=l-k_XvkZ0jE
<br /> Material: Plastic, Metal
<br />Color: Black Silver
<br />Size: 5.5 x 3 x 1.2cm/2.2 x 1.2 x 0.5inch(L x W x H)
<br />Usage: Universal
<br />Channel: 4
<br />Operating Frequency: 433MHz
<br />Type: Wireless Universal Cloning Remote Control Key Fob
<br />Remote Control Range: Up to 100 meters
<br />Quantity: 2Pcs/Set
<br />Support: Garage Door, Car Door, Car Sunroof, etc
<br />Usage 
<br />1/ First please press the button A and button B at the same time, and you can see the LED light flash once. Please just keep pressing the two buttons, until the LED light flash continuously which means the item has been cleared. If it is cleared successfully, when you press the buttons, the LED light will be on and then off.
<br />2/ Please pay attention that the original remote control should be placed side by side with the copied one on the desktop. Please press the arrow button on the copied remote control with your right hand and do not let it go. If the LED light is on and then off, it means it has entered the copy status. Then please press the corresponding button on the original one with your left hand quickly. If you could see the LED light flash quickly, it means it has been copied successfully. It equally applies to other buttons.
<br />3/ If the code of the copied remote control is cleared accidentally, you can press the buttons on the second row at the same time and do not let it go. Continuous flash of the LED light means success.
<br />Tips: if you reset the code of remote control and want to recover, press two keys until LED light flicks.
<br />Features:
<br />This is a fixed frequency remote clones (433mhz) for copying 99.99% common fixed and learning code remote controls.
<br />4-Channel Wireless Remote Control Duplicator for Cars, Garage Doors, Gate Doors, Alarm Systems etc. 
<br />Clone up to 4 remote signals from 4 different remotes.
<br />The battery used in the product is 12V and 23 A. please replace the battery when the remote control distance is insufficient.
<br />Package Content: 1 x 2PCS Universal Cloning Remote Control Key Fob
<br />Note: Due to the difference between different monitors, the picture may not reflect the actual color of the item.