- USAGE OCCASIONS - Photochromic looking sunglasses can do a good job of stopping the dazzling effects of sunlight when you are driving, running, fishing, biking or other outdoor activities. Keep your safety always by your side
- SPECIFICATIONS OF SUNGLASSES - Temple Length: 5.20in, Lens Height: 1.61in, Lens Width: 2.68 in, Bridge: 0.51in, Frame Material: Al-Mg
- Change color automatically based on the intensity of sunlight and ultraviolet light
- Filter reflected light and sunshine from the surface of the water
- Effectively filter strong light to protect eyes
- High definition gives you clear vision and reduce fatigue
- Durable TAC materials lens to make sure can be used for a long time
- Dustproof & windproof to ensure safe outdoor activities
- Aluminum - Magnesium frame
- Photochromic Composite TAC lens
- Polarized HD UV Blocking Lens
- Lens width: 2.68 inches
- Bridge: 13 millimeters
![11](https://ae01.alicdn.com/kf/HTB1zuoubc_vK1RkSmRyq6xwupXa3.jpg)
![12](https://ae01.alicdn.com/kf/HTB1otolbo_rK1Rjy0Fcq6zEvVXaW.jpg)
![13](https://ae01.alicdn.com/kf/HTB1jMwxbozrK1RjSspmq6AOdFXaL.jpg)
![14](https://ae01.alicdn.com/kf/HTB1wMspbcTxK1Rjy0Fgq6yovpXai.jpg)
![10](https://ae01.alicdn.com/kf/HTB1dcAwbdfvK1RjSspfq6zzXFXaT.jpg)
Discoloration Test Methods:
Because some customers do not know how to test lens discoloration, we explain more to know how to test.
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First: Please put the sunglasses under the sunshine keeping 10-15 seconds, then it will change color darker. (Remember it is sunshine but not cloudy or rainy)
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Second: You can use UV light to test, the lens will change darker.
Note: Please know one thing, Do not test discoloration in cloudy weather or indoor. The discoloration of the lens is caused by ultraviolet radiation.