179-7442, RS PRO, RS PRO 90dB Lead Wire Buzzer Internal Piezo Buzzer, 41.8 (Dia.) x 16mm, 3V dc Min, 28V dc Max, Brand RS Pro, Mounting Type Lead Wire, Minimum Supply Voltage 3V dc RS PRO 90dB Lead Wire Buzzer Internal Piezo Buzzer, 41.8 (Dia.) x 16mm, 3V dc Min, 28V dc Max