Sound chip KD-9561B includes Di-Du~ sound when it's activated.This chip has been made as reminder in car,truck etc widely. Sound chip KD-9561B includes Di-Du~ sound when it's activated.This chip has been made as reminder in car,truck etc widely.Specifications:1.COB shape2.Includes:Di Du.....3.The shape of PCB could be customized as per customer's requirements. Sound Chip