... Alarm Siren 80W or 100W 1.Car Electronic Police,Fire,Ambulance, Alarm Horn 2.With Microphone Speaker 3.24V 36V Technical ... Wail Yelp WHistle Radio MicrophoneIncluding: Horn, Siren, Police, Fire Alarm, Ambulance, Clear The Way, Traffic, EngineeringWorking life: ≥10000 hours Size: 185 ...