... 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 card Namemelody music moduleComposition PCB board,ic chip,2pcs battery,27mm buzzer,led light,sticker,slide tongue switch Function ... when stick it into card or box,open card or box,the music will send out and light wil ...