Alisontech 878MAX Universal Wireless Keypad Keyless Entry for Liftmaster/Chamberlain/Sears Craftsman/Genie/Linear/Wayne Dalton Garage Door

1.Attention: Please watch programming video and follow instruction manual carefully! Works for a YELLOW,PURPLE,RED,ORANGE,GREEN Learn Button of Chamberlain/Sears Craftsman/Liftmaster/garage door openers. Works for Genie/Linear/Wayne Dalton Garage Door Openers 2.Attention:Please get close to garage door opener to program keypad! 3. Attention: please doing the programming steps faster, If you wait too long (a few seconds) between steps it times out and won’t program. 4.please make sure your garage door opener fully closed first then start to program keypad,otherwsie programming maybe failed.