Magnetic Autocontrol Varioboom Extension Set 10' | MAG-EVB10C liftmaster K74-34392 allowing you to use existing

allowing you to use existing compatible batteries or order them separately as needed

with R5040 harness

Reduce cost of operator and installation with only one power unit and one control unit for the twin posts

Release: Knob operated with personal key

Magnetic Autocontrol Varioboom Extension Set 10' | MAG-EVB10C liftmaster K74-34392 allowing you to use existingMagnetic Autocontrol Varioboom Extension Set 10ft. MAG EVB10C A Varioboom extension set at 10ft. The extension set enables secure attachment of notice signs or advertising directly to the barrier arm. Manufacturer's Warranty Period 1 year Product Literature Magnetic Limited Warranty Policy