This is what you need, to turn your iPhone into an action camera. The Hitcase Pro Waterproof Case for iPhone 4/4S is an exceptional waterproof and ruggedized iPhone case that turns your iPhone into an amazing action camera. It is the only waterproof iPhone case with touch screen capability for up to 33' (10 meters)! The Hitcase Pro has a built-in lens for capturing professional quality photos and videos. It doubles the effective field of view of your iPhone so you are able to get more action. The Hitcase Pro Waterproof Case for iPhone 4/4S, is engineered like no other iPhone case, Hitcase is obsessed with making it the toughest and best case ever. Their founder made a personal wish list of what he considered the ultimate waterproof iPhone case should be able to endure and performance should be like, and worked from that list to create Hitcase Pro.
The case measures (L x W x H) 5.35" x 3.15" x 0.66" (13.6cm x 8.0cm x 1.68cm), weighs 4oz (113.4g) and is made from durable polycarbonate, silicone and stainless steel. The case lens is a custom designed, two-element, wide angle/macro glass lens with a 115° degree field of view with the iPhone 4S vidometer app. Case comes with a Go Pro compatible rail slide mount, tripod TiltR, wrist strap, additional port plug, quick start guide and is covered by a 180 day limited warranty.