This model has been tested by a professional waterproof tester.
1. Use this waterproof case to reach the bottom of the water 40M without water entering your camera. Let you enjoy photography everything you see.
2. The high light-transmitting material used in color will not affect your camera effect.
3. Both sides of the lens are respectively coated with optical film and waterproof film, high light transmission coating.
3. The pressure of surfing with this waterproof shell will not affect your sports and photography effects.
4. In the cold and snowy winter, using it will also bring you the image effect you want.
The following picture shows the waterproof case of gopro 3