Next generation Instant Garage Accessory, A fully automatic remote roll up door kit for 11 and 12 wide fabric shelters, Patent pending fee standing frame design ensures door function regarless of bulding alignment or movement, Quick and easy retrofit to existing fabric shelter models, Quality features include: corrossion resistant powder coated steel frame, Easy to assemb 15 total parts, Sets up in less than 45 minutes with just a wrench, Pre Installed 110 vac 32RPM motor; Sturdi flex base rail keeps door frame in place, Plug and play connectivity , overload protection against over heating; Tested to perform 8000 plus operations without failure, Steel grommets with push poppets make smooth door to existing frame transition, Fits ShelterLogic shelter model # 62675, 69481, 70443, 73339, 97053, 97154, 62678, 69491, 71444, 73343, 97054, 97253, 62680, 62690, 73333, 73552, 97153, 97254, SKU: SHLTL181