There is dirt on the box. The unit has not been used and is currently not in operation. Please confirm your address before you pay. If you don’t like an item within 60. Days you get (non-quality problem). We will be glad to reply and help you to solve any problem. We provide high-quality products and priority customer service. Customer’s satisfaction is our pursue. If you are not happy with us please give us a chance to resolve the problem for you, 100% satisfaction! If you are not satisfied when you receive the item, please contact me before returning it. We will reply you with. Hours and help you solve any problem.