Waterproof Housing Case With Mount And Screw - 40MFeatures: PC material, high definition anti pressure and explosion proof, waterproof to a depth of 40 meters, strong plasticity, and strong flame retardancy The grooved sealing rubber ring prevents water ingress, the greater the water pressure, the tighter the seal Built in sponge pad to prevent shaking and damage the screen Three fold buckle design, more tightly buckled, more secure to use The button is sealed with stainless steel rubber ring, no