Colorful Led Lights Luminous Induction Beer Mug Flashing Wine Light Party Drink Bar CupFeatures: Elegant, fun and durable Perfect for men, women, adults and kids, each cup is made of durable, food-safe acrylic. Easy to clean, just hand wash and leave to airDry. Great for special occasionsFrom weddings to birthdays to holiday New Year parties, light up the glassAdds an extra level of fun to any special occasion! Light Glass Whiskey Wine Beer WaterAuto On and OffEach glass lights up when liquid is present and turns off when empty. Works with any drink. Two batteries are included with each cup. Tu Party FavorGive your guests a unique favor. Create memories that last with the giftThat your friends will cherish. Available as singles and sets of 4 or 8 Mugs. Liquid Activated FunLights Up Any Special OccasionWhether you want to spice up a birthday party, anniversary, Halloween, Thanksgiving, Christmas, New Year or Christmas party, so light upMugs are the perfect choice. Fun for kids and adults, these glasses light up, change colors, and flash when there's any liquid in the cup. Imagine the fun because all your guests light up the occasionElegant plastic mugs in the style of glass cutting. It is without a switch to fiddle with. As soon as the cup is empty, the lights go out. Color:TransparentSize: 6.8X 8x5.5cmInstallation Notes:Find the battery compartment on the bottom of the cup. Remove the water tarp using a coin or screwdriver. Install two CR2505 lithium batteries and a replacement cover. Note: There may be 2-3cm errors of dimension data due to clean manual measurement. There may be a slight color difference due to different light and monitor effect. Package Includes: 1 x Wine Light