... with LED light PCB size:2.8*1.9cm 2pcs AG3 battery,buzzer,1 led light Suit for greeting card and gift box. Melody module with Led Light ... for greeting cardNamemelody music moduleComposition PCB board,ic chip,2pcs battery,27mm buzzer,led light,sticker,slide tongue ... file Melody file in wav./mp3 format OEM The pcb shape can be customized,which is suit for client's box ...