Police wireless car siren *Newest design *High quality *Easy Instal *ISO,CE certificated If ... design*High quality*Easy Instal*ISO,CE certificatedDetail:HA958 Wireless siren*Tones:Horn*2,YELP,HILO,HI-LO,WAIL-1,TOOL,HIGH ... ,300W,400W,600W,800W*Voltage:10.5V-13.8V Wireless siren,police siren alarm,fire alarm HA958