The Sea Shelter2 is enclosed and provides EPIRB protection in the harshest conditions. Deploys when the vessel sinksIdeal for use in fishing, petrochemical, freighter, salvage or any other harsh marine applicationsFits: 9435: Satellite 406 GlobalFix (RLB-35) 9455: Satellite2 406 RapidFix 406Size: 17 1/2" x 6 1/4" x 4.8"