Buzzer, Alarmbell   Buzzer  
                      Select your desired product
                      Legend
                      Model HRB-P80 HRB-N80 HRB-PS30 BJ-1
                      wvdB(A)1m 95 95 90 95
                      Play Sound 1 1 1 1
                      Voltage DC12V DC24V AC110V AC220V DC12V DC24V AC110V AC220V DC12V DC24V AC110V AC220V DC12V DC24V AC110V AC220V
                      Current 30mA 30mA 25mA 20mA
                      Frequency(Hz) 50 50 50 50/60
                      欧美一级,美国三级