uxcell a14092500ux0825 DIY Project DC3-24V Continuous Sound Electronic Alarm Buzzer, Black, 2 Piece
uxcell a14092500ux0825 DIY Project DC3-24V Continuous Sound Electronic Alarm Buzzer, Black, 2 Piece
Complete drive circuit Incorporated for direct operation from DC power source. Just connect to any power supply from 3 to 24 Volts.