The Genie 37332R Intellicode Garage Door Opener Wireless Keyless Keypad mounts outside your garage door for quick and easy access into the garage, especially when you are outside without the remote control. You simply enter the PIN number then push the arrow button on the PIN pad to open or close the garage door. The wireless keypad features a flip up cover to protect the keypad from the elements and lets you control up to 3 Genie Intellicode garage door openers manufactured since 1995. This garage door keypad features a back light so you can easily see to enter your code even at night. With auto seek dual frequency technology 315 MHz 390 MHz, the wireless keypad helps to ensure the opener will respond regardless of possible nearby frequency interference, and it can operate Genie garage door openers that work on either single or dual frequency technology. The keypad’s Intellicode technology keeps your property protected by automatically changing the access code every time you use it, thereby preventing access from unauthorized persons.