Trademark Home Wine Bottle Thermometer with Digital Display Features include: fits directly on wine bottle and measure temperature automatically when key is depressed (no on/off switch) Temperature is measure in celsius from -9-celcius to 65-celcius accurate within plus or minus one degree celsius Plastic and metal construction requires 1-lr1130 button cell battery (included) Dimensions: 2.625 by 2.875 by 1.625-inch; includes retail packaging Two digit digital temperature display