... 82.5mmx60mmx38mmH 2,light sensor to activate music 3,40mmspeaker and 3xAA batteries 4,CE&rRoSH Motion sensor sound module1,82. ... 5mmx60mmx38mmH2,light sensor to activate music3,40mmspeaker and 3xAA batteries4 ... ,CE&rRoSH5,Material :ABS plastic6,Often it is 70-80decibels7,Your OEM or ...