baby toy,audio child toy,christmas toy,baby product use battery,soud activated,remote transmitter receiver CE & RoHS passed baby toy,audio child toy,christmas toy,baby ... Activated: place Transmitter near Baby,Receiver near or together with Mom/Dad.Once baby is crying or other sound ... ,Receiver will be activated to sound imitated baby crying;Sound Level: 92±5Db;Frequency: 315MHz,433MHz ...