car alarm system 1.Perfect performance car system siren 2.OEM/ODM service 3.1year warranty car system siren 4.CE certificate car alarm system, alarm systemModel: FS-3100Voltage: 12VPower : 400WImpedance: 4Ω,6Ω,8ΩSound compression: 120~130dB 300-400 W speaker,high quality,Typically for polic car ,emergency ,rescue and project use . We offer various kinds of Sirens, which are suitable for all of ...