... 3.CE&ROHS 4.Pack in col led light liquor glass/led flashing liquor cup/plastic led whisky cupUsed for bars, parties, clubs ... on bottom of glass activates flashing in 3 styles: fast-flashing,Slow-flashing and light-onVarious LED light color in red ... ,yellow,green,blue,white,pink,etc are available for optionLogo printing availablePowered by replaceable batteries with ...