Buzzer, Alarmbell   Alarmbell  
                      Select your desired product
                      Legend
                      Model CB-4B CB-6B CB-8B CB-10B
                      wvdB(A)1m 85dB 90dB 95dB 100dB
                      Play Sound 1 1 1 1
                      Voltage DC12V DC24V AC110V AC220V DC12V DC24V AC110V AC220V DC12V DC24V AC110V AC220V DC12V DC24V AC110V AC220V
                      Current 35mA 40mA 45mA 50mA
                      Frequency(Hz) 50/60 50/60 50/60 50/60
                      欧美一级,美国三级