... modes. Seashell can be used at beach, water world and for swimming, snorkeling, diving, yachting,surfing, banana ... boat, jet skit, skiing, wind surfing, fishing, under rain / snow and at water ... Glass,PolycarbonateOperating temperature:-10~40°C Water proof elements: O-ring gasketMaximum water depth: 40M/waterproof/Shockproof Certifications: ...