... application:Gifts promotions, hotels, bar and lounge, Karaoke, household decoration, church, monastery, coffee house, suitable for Christmas seasons, ... birthday celebrations, family decorations, wedding celebration, Helloween, Easter Day, Party. Technical Parameters :1, Working Voltage: 1.5V size AA ... ctns * 20 boxes = 19,640 sets,40’ container : 2,004 ctns *20 boxes = 40,080 sets 2, Working current: ...