This product is limited to use in entertainment and civil fields  such as aerial model toy flying, competitions, performances,  firefighting, road drying and cleaning. Please strictly follow the provisions of the Export Control  Law of People's Republic of China (PRC).It is strictly forbidden  to modify the product for illegal use.It is strictly prohibited to  resell the product to the export restriction country under the law  in china.   Otherwise, all consequences will be at your own risk.