Why choose me? * Aliexpress Sales Champion * Very good reviews * Quality assurance * Quality service * Shipping in 12 hours ECHO TX4 RC Gararage Door Remote Control 433MHz Rolling Code Compatible Models ECHO TX4 RC Access to receiver required. Please make sure you got access to your receiver/opener before purchase. Disclaimer: Your remote control must be the same as the picture and your model must be in the list, we will not be responsible for wrong purchase Description 1. ModelYNG172 2. Type of programmingProgramming with the receiver 3. Frequency433MHz 4. CodeRolling Code 5. Buttons4 6. BatteryInclude Battery Features When your remote control is lost, you can buy our remote control and pair it with your receiver, after the remote control is programmed successfully, you will get a new remote control Include Remote Control Include Battery English Manual Keychain How to program ? The programming is done in the same way as the original remote control.