Establish the temperature (in Celsius) of your wine/champagne without opening the bottle Simply 'snap' the flexible band around the outside of any-sized bottle Temperature is displayed (in different colours) on a black screen at the front of the thermometer Features an index on the rear that outlines suggested serving temperatures for a variety of wines and champagnes Stylishly packaged, Weight: 0.13 lbs., Manufacturer: Vacu Vin