1. Select The Correct Brand For Remote To Be Programmed By Moving Dip Switches Up Or Down. For Example 433,92Mhz Marantec Remote Controls, Just Move Dip-Switch 7 Up.2. Press The Learn Button. The Will Led Turn On.3. Press The Button On The Remote, The Led Flashes 4 Times. It Means That Remote Control Was Programmed Successfully.4. Repeat Step 2 For Another Button.5. The 2-ND Channel Programming Procedure Is The Same. Erase All Data From The Memory Card: Press And Hold Either Learn Button. The Led Will Start Flash. Keep This Button Pressed, Until The Led Will Turn Off. All Saved Data In The Memory Card Will Be Erased Permanently And Can Not Be Recovered Compatible Brands:All 433.92Mhz Fixed Code Remotes.Load Power: 5KWWorking Current: less than equal 10AWorking Voltage: DC12VControl Distance: 50mControl Type: Radio Frequency ControlNote:Different Batches May Have Differences In Product Appearance, Color, And Printed Characters, Which Will Not Affect The UseType:1-to-2 setColour:As ShownMaterial:ABSPackage Contents:2 x Receiver4 x Remote ControlOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.