This cradle allows you to download your dive log information for the Meridian, Mantis, or M1 Dive Computers to your PC. Meridian USB Cradle will allow you to see all aspects of your dive profile. For detailed logbook storage and analysis after the dive, can assist divers to store data that is limited only by the capacity of PC's hard drive. Allows divers to analyze their dives with amazing detail. Cradle is an invaluable tool for the diver to analyze their behavior and further improve their diving technique. The complete dive profile is displayed, as are any attention messages or alarms. The actual screen data that's displayed during a dive is also displayed. For air integrated dive computer the air consumption screen is also displayed. So if you're looking for detailed electronic logging of your dives made on the Meridian Computer the USB Cradle is what you are looking for.