12V 48V 60V Motorcycle Tricycle Conversion Electric Bell Treble Ultra Sound Horn speakerDescription:100% brand new.Easy to install.Universal Motorcycle Horn SpeakerNO.001:12v Red and White SpeakerNO.002:12V Black SpeakerNO.003:48V Black SpeakerNO.004:12V Star SpeakersNO.005:48V Star SpeakersNO.006:60V Star SpeakersSpecification:Color: As the pictrue shownDiameter:As the picture shownPower source: 12V、48V、60VHandle Length:About 78MMSmall Screw Hole Diameter:About 6.7MMLarge Screw Hole Diameter:About 8.5MMPackage Included:1 X Motorcycle Ultra Sound Horn Speaker