Car alarm siren Rated Voltage: 12V DC; Output Power: 20W Rated Current:700-1000mA; S.P.L.: 110dB+/-3dB Sound: 6-Tone

Voice Coil Impedance: 6/8/12 OhmVoice Coil Dimension(Dia): Φ18.3mmRated Voltage: 12VDC/24VDC(Only 15W)Operating Voltage: 9~16VDC/20~25VDCOutput Power: 15W/20W/25WMin.S.P.L: 105/108/110(At Rated Voltage at 1M)Max.Rated Current: 700/1000/1200mATone Nature: Warble/1-Tone /6-ToneOperating Temperature: -20~60°C