GoPro is the world's leading activity image capture company. GoPro produces the famous HD HERO line of wearable and gear-mountable cameras and accessories, making it easy for people to capture and share their lives' most exciting moments in high definition. Prevent your camera's housing from fogging, even in cold temperatures/humid environments. Great value and performance: includes 3 sets of anti-fog inserts. Each set lasts 4-5 uses and can be dried in an oven (3 minutes) and used again.