... Small size and compact 100w with 8 tones 2 way light control switch park kill , manual and horn ring ... noise cancelling MICSpeakersWork with 1x100W speakersPower100WVoltage12V Light controlHandheld remote controller with 2 way light control switchSound trackSingle Siren tones8 tones, ... & development, production and sales for siren, warning light, LED beacon and various kinds of police equipment such ...