... .Voltage:DC 12V 3.Power: 200 w 4.Function:8 tones Model NumberESV-6201Product Name200W Car Alarm and Speaker ESV-6201Power200WVoltageDC12V ... /24V Impedance8Ω Working Temperature—40°C—50°CFunction8 tones and MicrophoneProduct Characteristics1.Beautiful out look , completely function , easy to ...