The GD-R21 compatible wireless keypad works with LiftMaster® openers using purple learn buttons to program the keypad code. This keypad will open or close your garage door without using a remote control or key. This keypad opens the door using a private 4-digit code you program directly into the unit. This order includes a compatible wireless keypad, mounting screws, battery and programming instructions.
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Compatible Keypad Programming Instructions:
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