Feature: 1. Including anti-blue light card and blue light generator, easy to use.2. Use blue light generator card shine on the white part, good using effect. 3. The stronger the blue light, the deeper the color change, convenient test. 4. To provide you with more professional services, used for eyeglasses test. 5. Reusable designs, including 10 set of the package, meet your demands. Specification: Condition: 100% Brand New Item Type: Anti-Blue Light Test Card + Blue Light Generator Material: Paper Usage: Anti-Blue Light Eyeglasses Test, Detection Blue Light Glasses reusable (repeated use: irradiated test card will automatically recover after 1 or 2 minutes) The stronger the blue light, the deeper the color change Test Card Length: Approx. 8.5cm / 3.3in Test Card Width : Approx. 5.3cm / 2.1in Package List: 10 xAnti-Blue Light Test Card 10 x Blue Light Generator 1. Our listing price includes the value of goods,packaging cost,and export taxes,not including international duties. 2. duties,taxes,and charges are not included in the item price or shipping fee. 3. The duties are buyers' responsibility.Please check with your country's customs office determine what these additional costs will be prior to your purchase. 4. All disputes arising from the duties will be submitted to ebay for solution. 1. Any questions, pls. contact us via ebay message or email us.We will reply your message within 48 hours. If you do not receive our reply within 48 hours, pls. post a message again because sometimes our message system may block some emails. 2. If you are satisfied with our service, pls. kindly leave us a positive feedback and give us the Detailed Seller Rating with all "5 " in very area3. Our aim is to provide Level Customer Service, your recognition will encourage us greatly and serve you better. We strive to keep all our customers satisfy. We will do our up most to exceed your expectations in customer service, communication and dispatching of your orders. ![]() |