The 877 max can be used as a replacement remote control for 80 series, 970 series and 370 series Easy programming, can control up to three garage door openers, gate operators or MYQ accessories Features security+2.0 rolling code technology that virtually eliminates radio wave interference Compatible with : LiftMaster garage door openers manufactured since January 1993 - all models LiftMaster 315mhz security+ gate operators - all models Product Description To determine if this remote control is correct for you, look on the powerhead (opener attached to the garage ceiling) for the color of the learn button. If you have a green, red , purple ,green,orange and orange learn button this is the correct remote control for your garage door opener , for added safety, it features security+2.0 rolling code technology that virtually eliminates interference and sends a brand new code every time it is used. The 877LM signal has a long range and features LED light signals that helps with easy push-button programming. Package Includes : 1 Piece 877MAX Learn Button