LED name card,flashing gift,led badge
batteries:LR927/CR927
use as normal time one or two years
LED :can choose red ,yellow ,

LED name card,flashing gift,led badge

batteries:LR927/CR927
battery:use as normal time one or two years
LED :can choose red ,yellow ,green,blue.white.etc.
backside: batteries
button:control by button backside .revolve the button is ok
logo available