Description:Item type:Vehicle TweeterAppearance size: 55mmCaliber: 45mmColour: BlackAdaptable models: general purposePower: 10WVoltage: 12-24VSensitivity: 89dBSound level: 89dBFrequency response: 5 khz-20 kHzImpedance: 4Type: PiezoelectricVibrating film material: ceramic buzzerPackage include:2PCS Vehicle TweeterNotes:1-3cm error might exist due to manual measurements, please kindly understand. The colors deviation might differ due to different monitor settings.