Only companies approved to sell our products are listed on this page. All other vendors not listed here are not authorized to sell or distribute our products. Make sure you are purchasing from an authorized seller to ensure you are receiving genuine and quality products. Be careful with listings seen on auction sites; these third-party sellers are not approved vendors and could be selling counterfeit and/or used products. Anyone offering steep discounts are offering counterfeit products. Buying and marketing these products as a consumer or seller is illegal and we will pursue any legal action required against these sellers. For examples of counterfeit units, see this image.