... 1,40mmx30mmx23mmH 2,light sensor to activate music 3,40mmspeaker and 3xAA batteries 4,CE&RoSH light activated 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 ...