Electronic Siren Model AS5300E  is a kind of dual-use (wireless/wired) siren,  it usually works with 2 speakers. And it has bass and dolby sound effect and it is with HD propaganda function. There're 28 alarm tone patterns, and the remote control can work within dozens of meters distance. 

 
Specifications:
 
Working Voltage:DC12V
Working Current:Within 40A
Power:400W/600W
Resistance:6Ω+6Ω
Main Box Size:17*14*5cm
Handle Size:11*5*1.6cm

Application:
These sirens are suitable to be installed on Police Car, Ambulance Car, Fire Fighting Vehicle, Enginering Van, Breacher, Mobile Library and other special operation vehicles.