Description:Clone up to 4 remote signals from 4 different remotes.Comes with a keychain, you can carry and store the control easily.Channel Radio Frequency Remote Replicator for Garage Doors, Doors, Parking Lots, Alarm Systems, etc.This is a fixed frequency remote clone (433.92 mhz) that can copy 99.99% fixed code and universal learning remote control.Please note that this remote should be copied from your odl remote, you must have a handheld remote, and if your old remote is lost, you can copy it, so please do not purchase.Specifications:Material: plastic, metal.Size: 4.5*3.5cm.Color: show as pictures.The programming process is as follows:Step 1: Delete the remote1) Click and hold the button that is locked and unlocked together and the button will flash 3 times.2) Continue to hold the lock release button and release button3) Continue to hold the button and press the unlock button 3 times, the leader starts to flash does not stopStep 2: Clone the old remote1) Click and hold the 1 button on the old remote and the 1 button on the remote clone. Continue to hold until the 3 flashing indicator will flash 2 times and then enter the constant and you have successfully cloned.2) If for some reason the clone does not go further, then 2 flashes, which means the signal does not pass, please slowly move the remote up and down until you reach the point where it will pass.If you can't copy anything, please be patient and repeat the above steps and try again.Notes: 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.Package include: 1 * Remote control (including battery).1 * Keychain.1 * English manual.