Glasses Beer Mug Dragon Induction LED Rainbow Color Flashing Light Glow CupsOOTDTY Automatic LED Color Change When Filled With Water Or Beer3D Dragon Pattern Around The MugFlash Mug Is Not Only Popular In Nightclubs, KTV Bars And Other Places, When Using The Flash Cup With Will Make You More Attention And Special And Flash Cup, but also children's favorite brilliant colors always attract attentionSuitable for: Parties, Cafes, Bars, Night Beer, Clubs, Festival Celebrations, Festival Background Layout, Karaoke, Family Banquets and Other EventsSpecification:Material: AcrylicBattery Power: Built-in Battery Button Can Be ReplacedLighting Time: Approx. 20 Hours Size: Top Diameter: 7.5cm/2.92" Height: 9.7cm/3.82" Bottom Diameter: 6cm/2.36" Weight: 138gQuantity: 1PC Note: 1. Due to the different monitor and light effect, the actual color of the item may be slightly different from the color showed on the pictures. Thank you! 2. Please allow 1-5mm measurement deviation due to manual measurement.