The magnifying glass optical technology adopts German craftsmanship to keep improving. It does not allow for a little defect.The high-definition German craftsmanship lens has a clear image and a high field of view. Angle: up and down adjustment. Work: more than 7 hours. The sale of this item may be subject to regulation by the U. Food and Drug Administration and state and local regulatory agencies. EUB (under 2KG): Only for USA, Canada, and Australia. China Post (under 2 KG): 25-55 days. Few states need to pay remote surcharge. Don't worry, I will tell you before you pay if it's need. Your SATISFACTION is our ultimate goal. We work hard to earn your trust and future business. A Please check the package first before you sign for the package. B If you have a defective item, you can return it or ask for a discount. Or replace item for you. We are factory founded dental equipment Wholesaler and Retailer. If you have any questions about our service or products. You will be replied within 24 hours(48 hours in the weekend). This item is in the category "Business & Industrial\Healthcare, Lab & Dental\Medical, Lab & Dental Supplies\Dental Face Shields, Head Lights & Loupes". The seller is "cc-dental" and is located in this country: CN. This item can be shipped worldwide.