This Electric Wine Bottle Opener with NI-MH battery 600 mAh capacity, after full charge can open approx 50 bottles. Kit including Foil cutter, charging cable, English instruction. Suit most of the wine bottles which bottleneck OD less than 1 3/8″ (35mm). Two buttons “up” and “down” to remove the cork without extra effort. Blue led is removing the cork, Red led is exiting the cork, The best choice for wine enthusiast & drinkers at Birthday, Wedding, Anniversary, Graduation, New Year’s Day, Valentine’s Day, Mother’s Day, Father’s Day, Halloween, Thanks Giving, Christmas, etc.