 
    
                            
                                 
                                Magnetic Transducer 
12VDC - 83dB
 
    
                            
                                 
                                Magnetic Transducer 
5VDC - 83dB
 
    
                            
                                 
                                Magnetic Transducer 
12VDC - 83dB
 
    
                            
                                 
                                Piezoelectric Buzzer 
3/20VDC - 85dB - D42mm