... 40mm 2,PCB size:40X30mm 3,Battery:3*AG-10 Greeting card Voice module,custom voice module,sound ... Material: PCB board(40X30mm), speaker(φ40mm), battery(3*AG-10)2.Pre-recorded/recording time: 3 to 300 seconds, ... with high quality !Packing detailed:1000 PCS/CTN (10/opp)N/W:15 KGSG/W:16 KGSCarton measure ... message by yourself. Recordable sound module,motion sensor voice module,voice recording card module