About the product 1. Brand new and high quality 2. This type need used with an adaptor ring for GoPro HERO4 /3+ /3 3. Waterproof reaches 45 m under water 4. Red Filter: - Absorb blue light and UV, create romantic sky effect or night effect even when you take photos in daylight, mainly used underwater. 5. Yellow Filter: - Used for all black and white photos, make a greater contrast between the blue sky and trees and clouds 6. Purple Filter: - Eliminate the green light radiation
