... Pre-recorded module, Parameter: 1,speaker:dia 40mm 2,PCB size:40X30mm 3,Battery:3*AG-10 ... board(40X30mm), speaker(φ40mm), battery(3*AG-10)2.Pre-recorded/recording time: 3 to 300 seconds, just ... activated by press button, slip tap, shake, and light/motion sensor5.Pre-recording voice file as your favorite ... message by yourself. Recordable sound module,motion sensor voice module,voice recording card module