Output Power: 100W, Working current:9.3A,. Siren(electronic horn,electronic siren,auto parts,speaker) Siren(electronic horn,electronic siren,alarm)Model: XD-100APower: 100WVoltage: DC 12VCurrent: <=9.3AImpedance: 8 ohmsStructure: a small controller box with MIC & a speakerNet weight: 3.5KgPackage: standard export cartonWarrantee: 1 year