Alarm Siren Specifications: Model:ADX3006 Voice Coil Impedance 6/8/12 Ohm Voice Coil Dimension(Dia) Φ18.3mm Rated Voltage 12VDC/24VDC--Only 15W Operating Voltage 9 16VDC/20 25VDC Output Power 15W/20W/25W Min.S.P.L 105/108/110(At Rated Voltage at 1M) Max.Rated Current 700/1000/1200mA Tone Nature Warble/1-Tone /6-Tone Operating Temperature -20 60°C This product is ournew design and produced by our company. Not only popularin European and American areas ,but alsosuitablein Southeast Asia & Middle East market. Can be used in cars,doors or other situations Nice appearance, clear sound outputing Welcome customers from all over the world to send your inquirie