This waterproof case is originally made by Xiaomi for its Yi sports camera. Needless to say the quality and packaging is as superb as usual and much better and secured than any other 3rd party water proof cases.The housing material is made of best grade of polycarbonate, can be used even under -30 °weather, ideal for diving, snorkeling, surfing and other underwater activities. Most importantly , the lenses part is made of original Corning® gorilla glass, it will offer maximum image clarity above and below water up to 40m and of course it can be used as a shock-resistant shell to your camera for daily use.One piece of 1/4 inch connector and one piece of thumb screw are included. Premium packaging box , tough for transportation and beautiful for gift giving .