Enables a diver to carry the Fastfind PLB with the knowledge that once they have returned to the surface they have the security of having access to the Fastfind PLB if there are any threats to their safety. Waterproof aluminum housing Protects Fastfind PLB (-20C battery only) to depths of 150m (500ft) Dimensions: 162mm x 93.5mm Weight: 900g « less