Full aluminum structure, with partial steel parts. Spread out on the roof of vehicle. It is useful to the heat interrupting on the roof, and to increase the performance of air conditions. With
crushproof for the roof of vehicles. The cover is adjustable, Extra space to place most equipments, the max space is 230 liters. The tent was made by double side waterproof, and inside UV
interrupting heatproof process. The ladder was made by aluminum alloy and slide shaping tubes, with positive electrodes extra work. The flat plate structure was made by aluminum alloy and positive
electrodes extra work, and with 10 mm thick PP hollow sheet, so it's easy to wet-proof and heatproof. The inside prop up structures was made by aluminum alloy tubes and positive electrodes extra
work. It can be installed on the roof of vehicles, to enjoy the pleasures of camping. The safe hold weight of spread out is 250 KG (560 Lbs)