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1. Includes Anti-Blue Light Card and Blue Light Generator, easy to use. 2. Use the blue light generator card to shine on the white part, good effect. 3. The stronger the blue light, the deeper the color change, practical test. 4. To provide you with more professional services, used for eyewear tests. 5. Reusable design, including 10 sets in the package, meets your requirements.
Item Type:
Anti-Blue Light Test Card + Blue Light Generator
Material: Paper

Usage: Anti-Blue Light Glasses Test, Blue Light Glasses Detection

Reusable

(Repeated Use: irradiated test cards automatically reset 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
10 x
Anti-Blue Light Test Card
10 x Blue Light Generator

Customers are our top priority. If you find any problems with your product after receiving it, such as damage or incorrect quantity, please contact us immediately. We strive to provide you with the best after-sales service.