1) Diameter: 7cm
2) Height: 9cm
3) Volume: 8oz.
4) Material: acrylic
5) With switch at bottom, presses once to activate fast blinking, second to turn off
6) For changing batteries: pulls bottom from cup gently, unscrews two sliver Phillips-screws off, removes light board, turns upside down and replaces 3 batteries by sliding them out with screw driver and then repeats process in reverse to complete it

OEM/ODM,Customized Logos/Designs are Welcome