Unique patented device, widely acclaimed in Europe and Asia. Pocket size with a handy carry chain. Pocket Model with Leather Holster Case and Instructions. Made in France. * Lets you see the future of any wine. Determines the ideal length of time to cellar wines * Tested by scientists and sommeliers in France for more than 10 years before being introduced in the U.S. * The amazing & definitive true wine diagnostic ageing tool! Actually ages wine 1 year for every second the tool is submerged in the wine. * Indispensable tool for the serious wine collector, winemaker, or wine salesman