Buzzer, Alarmbell   Buzzer  
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              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
              京彩彩票