UNIVERSAL GARAGE DOOR KEYPAD: The -R Universal Garage Door Opener Keypad is compatible with FOR Genie, Overhead Door, , , , Sommer, Linear, , , Guardian manufactured from 1993 to present, FOR Xtreme, Marantex, , and are compatible and support remotes with /Yellow/Red/Orange/Green/Learn buttons or Dip switch Operate up to 3 openers: you need to use the Learn button or Dip switch, set the 4-digit PIN code, connect the -R wireless keypad to the garage door opener, and conveniently operate multiple garage door openers. Please programme before mounting to the wall or door frame. CONVENIENT DESIGN: Backlit numeric buttons easy to enter your passwords in the dark, while the flip-up protective cover keeps rainwater out. Simply mount the keypad to your garage frame using the included screws. Easy programming: simply use the Learn button or Dip switch to pair the garage door/opener with the keypad, once setup is complete, you can easily open your garage door by simply entering the 4-digit PIN code, no more worrying about forgetting your keys. You can also set up temporary PIN codes for your neighbours or service personnel, and the deletion operation is also very simple. In addition, you can set the usage period of the temporary PIN code by yourself. SAFE & RELIABLE: Our garage door keypad adopts FOR advanced Security+/Security+ 2.0 and Intellicode I/Intellicode II technology, which can run and work under multiple frequencies (such as 300/310/315/318/372.5/390MHz), which can the safety of your home, so please to buy it. Material: plastic colour: As Shown Package Contents: 1 x overhead door keypad Only 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.