Description
By integrating MyQ technology (828LM sold separately)
Weather-resistant housing for outdoor installations
The 455D control system requires a monitored closing safety device for operation
Safety First: Requires Type B1 (photo sensors) or Type B2 (contact sensors) for monitored entrapment protection
LiftMaster 971LM Security+ 1 Button Remote Control residential By integrating MyQ technology (828LM Choose Size:6'x14' Loop w 100' Lead Wire (EL40 100) 9409 010 Wireless Network Capability Eliminates keypad By integrating MyQ technology (828LM sold separately) Weather resistant housing for outdoor installations