LiftMaster Monitored Small Profile Resistive Edge with Aluminum Channel Length:S506AL Two relays

Two relays

Linear DT4A Manual

LiftMaster MA001

This is great for allowing temporary access to service people

LiftMaster Monitored Small Profile Resistive Edge with Aluminum Channel Length:S506AL Two relaysLiftMaster Monitored Small Profile Resistive Edge with Aluminum Channel The Most Advanced Monitored Resistive Factory Assembled Edges. The Small Profile Edge is part of the complete line of LiftMaster Monitored Resistive Edges. It is offered as fixed and customizable length, for use in virtually any application. LiftMaster's Small Profile Safety Edge is ideal when you have low clearance while the Large Profile offers an added contact surface for ease