Backlit keypad to easily see buttons; Flip-style cover; Attaches to outside of garage for easy access ; Operates up to 3 Genie(TM) garage door openers; Uses Auto-Seek Dual Frequency (315MHz/390MHz) which helps reduce interference issues; Replaces older model Genie(R) Intellicode(R) keypads ACSDG, ACSDA1, ACSD1G, B8QACSDA & B8QACSDA1; Model GK-R; Includes 2 mounting screws & 2 AAA batteries;