... Tone : human voice, pop music, tone , melody, natural sound music buzzer•Diameter: 70mm•DIY Music•Flexible Tone : human voice, pop music, tone , melody, natural ... : CE, RoHS•Accessory: Special downloader (Order no. UP0006), connecting with computer and software. SeriesSizeMusical BuzzerPower SupplyStorageBody color0570mmMDW=10~30VDCA=5 sectionK ...