FEATURES: 1.On/Off switch located on the bottom Coin battery included. 2.Perfect for any Party and Bartender! 3.Create a fabulous light show for your guests while you do it! 4.Great for Parties at home or in any establishment like Restaurants, Bars, Clubs, Raves, Pubs, and Hotel Lobby & Pool Bar Counters, etc. 5.MUST HAVE Party Accessory for Year Round Entertaining!!! DESCRIPTION: 1.Shaken not stirred! 2.If you"re wanting to spice up a cocktail party, then a shaker with multicolored LEDs creating a strobing light show should do the trick. 3.Dimensions: Height: 8.46in(21.5cm) Width: 3.54in(9cm) 19 OZ 4.Continue the Light show by pouring your delicious concoctions into Light Up Drink Glasses 5.Includes Replaceable Coin Batteries. 6.Flashing color change continuously Package content: 1 x 19 OZ LED Light-up Multicolored Flashing Blink LED Cocktail Shaker Bar Cup Party Note: Gently hand wash only. Keep moisture away from the removable base to avoid contact with batteries.