A nice alternative to the conventional Roll-Up Door Kit pulley system, the Power-Up Auto Remote Roll-Up Door Kit allows you to gain access to your shelter with a click of a button. This free-standing frame design ensures door function regardless of building alignment or movement and quickly fits to existing fabric shelters. Corrosion-resistant powder coated steel frame and sturdi-flex base rail keep door frame in place. Protects against over-heating. Tested to perform 8,000 plus operations without failure. Waterproof, ripstop, woven, polyethylene fabric is UV treated inside and out. Steel grommets with push poppets make smooth door-to-frame transition. Easily sets up in less than 45 minutes. Includes side panels, pre-installed 110 vac motor, two key fob remotes, hand crank, and instructions.