To activate your LED Frosted Champagne Glass with Black Base, press the button on the base. With each push, change the LEDs to 7 different colors (steady light/no flash), then lastly a slow color change function. NOTE: Some assembly required. Press down hard when connecting cup to base; creates essential tight seal. Dimensions: Height: 6.0 in. Width 4.0 in. Volume 10 oz. filled to brim LED Colors: 1 Blue, 1 Red, 1 Green Comes ready to use with 3 replaceable AG13 Batteries. Packaging: Retail ready, each piece in a plain white box- 48 pieces per carton.