754-2019, RS PRO, RS PRO 100dB Panel Mount High & Low Internal Piezo Buzzer, 50 (Dia.) x 37.5mm, 3V dc Min, 16V dc Max, Brand RS Pro, Mounting Type Panel Mount, Minimum Supply Voltage 3V dc RS PRO 100dB Panel Mount High & Low Internal Piezo Buzzer, 50 (Dia.) x 37.5mm, 3V dc Min, 16V dc Max