ACR GlobalFix 406 EPIRB Category II 406 MHz with Intergral GPS Internal GPS engine allows faster 406 EPIRB loation than standard, non-GPS-enabled models; can update position every 20 miutes. Has Circuitry Test feature and GPS Acquisition Test feature built in, or can be fully tested at a BRC. Field Programmable at BRC equipped with FPR-100. 48 hour operating life at -40 C (-40 F), allowing for monthly self-test for 5 years. 72 hour operating life at 21 (70 F) nominal, when battery is new. Lanyard coil retained with all around cover for non-tangling deployment. Universal usage illustration, English and French languages.