... 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 switch Function when stick ... us if you are interested in this product! Melody module with LED light for greeting card