Completely new patented technology featuring the amazing smart button: compatible with most garage door opener, easy installation - one step installation, no batteries or ac outlet required, works with skylink model Gbrk, Gbrm, Gbrv, G6t4 and skylinkpad and more, One Step Installation: Simply replaces or parallels your traditional wall button with Smart Button, Rolling Code Technology, Smart Button receives signal from remote control and opens closes garage door, Smart Button works with up to 16 remote controls, additional remote controls can be purchased separately, FCC IC approved, SKU: SYLK022