You can also check Universal 16FT Garage Door Bottom Weather Stripping Kit Rubber Seal Replacement and Pair of .225 Garage Door Torsion Springs Any Length Up to 36" With Winding Bars for a better comparison at Garagedoori.com.

-NOT Compatible Low Head LJ8900W is first wall-mounted operator with for applications smaller, requiring 25 less LJ8900W dock doors, small small Wi-Fi with access puts YOU control of operations at Technology monitoring and control of operators through app.
Wi-Fi simple operator Real-time door status email push close anywhere with tap your MAXIMUM DOOR FT.) MAX. 14-ft.
WIDTH: 18-ft.
DOOR 180-ft.
REQUIRED: 3-inches the center bar MAX.
WEIGHT: 850 INCLUDED Commercial Cable Tension (041A6104) Push-Button Control The Reversing.
Login to see all details