Features: 1.It is durable and convenient. 2.Simple design and easy to use. 3.Controls Up To 3 Garage Doors Only. 4.Button Slide Protector and LED indicator. Specification: Color: Black. Size(approx.): 60.6mm/2.38(L) x 33mm/1.29(W) (Detail size as shown in the picture). Material: Plastic and aluminum alloy. Frequency:433MHz. Battery :3V CR2032(Lithium battery). Connection Type: Wireless. Fitment:(The Compatibility Is Just For Reference. Please Compare The Follows With Your Original One before Purchasing ) Replaces Remote Models:HE60/HE60R/HE60ANZ/HE4331. How to copy the original remote(for reference only) 1.Remove code press the LOCK (NO.A/NO.1) and UNLOCK (NO.B/NO.2) button at the same time, and the LED indicator will flash 3 times then off. After this, keep hold the LOCK(NO.A or NO.1) and release the UNLOCK (NO.B or NO.2) button and press the UNLOCK (NO.B or NO.2) button 3 times, the duplicator led indicator will flash quickly, that means it remove the exist code successful. Now you can come to the next step to copy now. 2.Copy original remote Pls take the original remote and duplicatoras close as possible. Then press one of button from original and one of them from duplicator at the same time, you will see the led indicator flash 2times,then fast flash ,that is copying original remote successful. 3.Recovery In case you remove the code you have copied by accident, Dont worry , you can press the last two button MUTE (NO.C/NO.3) and LEVIN (NO.D/NO.4) button at the same time ,the led indicator flash 3 times then fast flash, the code you have recovery and you can continue to use. Package included: 1 x 4 Button 433MHz Garage Gate Key Remote Control(with battery)