... Many years' export experience! Good after-sale service! Siren typeHandheld controller splitBrandASUsageAuto Fire EMS Police WarningMicrophoneP.A. with ... remote controller with 2 way light control switchSound trackSingle Siren tones8 tones, include: Hhi,Prim, Phsr, Hi- ... specializing in design & development, production and sales for siren, warning light, LED beacon and various kinds of police ...