Siren, alarm siren 1.power:100W ,200W,300W 2.Voltage:12V. 3.Sound compression : 120~130dB. 4.1 year warranty for alarm siren Siren, alarm siren, electronicModel:PA-7000Voltage: 12VPower : 100-400wImpedance: 4Ω,6Ω,8ΩSound compression : 120~130dB high quality,Typically for polic car ,emergency ,rescue and project use.We offer various kinds of Sirens, which are suitable for all of the cars. If you ...