1. Exquisite and ergonomic design,convenient and in line with international standards. 2. Guide wheel saves labor: large opening power, fast speed; the two side drill of guide wheel not only saves time and labor, but also saves the power consumption.Specifications:Size: 230*45*45mm/9.25*1.77*1.77"Weight: 230gPower supply: 4 x AA batteries(not included)Rated voltage: 6.0VNoise value: < 75dBMaterial: high grade acrylic + stainless steel drill + stainless steel springPackage includes: 1x Electric Wine Bottle Opener , 1 x Foil Cutter