Please contact Verydrone to obtain a return merchant authorization number (RMA#), before shipping your order back. We reserve the right to reject returned items if they are not in a condition to resell as new. The products we sell are complex systems, failure of one component can result in a crash or damage. Our 10 day money back guarantee ensures that the customer will receive the cost of the sale minus original cost of shipping as long as the product has not been used, flown, or opened. If the original packaging has been opened, then the buyer will be subject to a 25% restocking fee. All original parts must be contained in box.