Air Lift 57388 Air Bag Suspenion Kit. Fully adjustable air springs to level your vehicle when towing or hauling a heavy load for a safe comfortable ride. Up to 5,000 pounds of load leveling capability. Easy to install with included detailed instructions. Fitment details listed in the product description. Please allow us the opportunity to resolve any issues before opening disputes and/or leaving feedback. If the item includes an ac power adapter for use, it will be 120 volts. Please ensure that this product is compatible with the standards within your country before purchasing.