LiftMaster Heavy Duty Roller Cage Bearing Hinge Flat Mount Both Sides - Sold in Pairs | LIF-2000P bg790 Since the reflector directs the

Since the reflector directs the beam back to the photo eye

ProxPoint@reg

It fits directly into the E-106 Limit Switch Assembly for slide gates (Eagle 1000/2000) and mounts to the chassis of swing operators (Eagle 100/200)

Aiphone LEM-1DLS Intercom Kit | AIP-LEM-1DLS

LiftMaster Heavy Duty Roller Cage Bearing Hinge Flat Mount Both Sides - Sold in Pairs | LIF-2000P bg790 Since the reflector directs theLiftMaster Heavy Duty Roller Cage Bearing Hinge Flat Mount Both Sides Sold in Pairs LIF 2000P LiftMaster Heavy Duty Roller Cage Bearing Hinge Flat Mount, Both Sides (Prime Coated) Features Heavy Duty Construction for Maximum Durability Dependable Roller Cage Bearing Design Even Weight Distribution Five Times The Weight Bearing Surface of the Nearest Large Hinge Largest Weld Surface in the Industry Easy to Fully Lubricate Technical Specifications