The Skylink GB-318 Smart Button™ Receiver simply replaces or parallels your traditional wall button with its Smart Button. The Smart Button receives signal from remote control and opens/closes garage door, and it can work with up to 15 remote controls. Works with Skylink model GBRK, GBRM, GBRV, G6T4 and more.
Skylink Rolling Code Technology
Generates new code each time you activate the unit, and these codes will never be repeated.