SnowLizard SLXtreme Case for iPhone 5 Watertight rubber seals tested to be waterproof up to 2M/6.6ft Emergency trickle charge rear solar panel, estimated 1 hour sun=10 minutes talk Rated 810-G, drop-proof up to 2m/6.6ft, polycarbonate exterior, rubberized side grips, double-locking latch Integrated 2,550 mAh battery with in-case USB charge