... Tone : human voice, pop music, tone , melody, natural sound music buzzer•Diameter: 70mm•DIY Music•Flexible Tone : human voice, pop music ... •Position: To be assembled in any layer of light tower•Buzzer volume: 100 dB / 1M (adjustable via DIP switches)•Materials of ... Yinyinamy9@gmail [dot]com AND sikeqd@126 [dot] com music buzzer