Liftmaster 890MAX Remote Control us-automatic The IRB-4X will work with

The IRB-4X will work with any control board that accepts dry contact on the input

Its adjustable microwave antenna and 180° mounting provides flexibility in configuring the detection zone

Liftmaster K75-50250 COVER

Will function with GL1 when post separation is between 1" and 3-3/4"

1 1/4" bore 1

Liftmaster 890MAX Remote Control us-automatic The IRB-4X will work withMiniature version of larger 893MAX 3 Button Remote Control Compatible with all LiftMaster garage door openers manufactured since January 1993 and all 315MHz LiftMaster and ELITETM gate operators Works with all Liftmaster openers from 1993 to present (any Liftmaster opener with safety sensors)