237-962, RS PRO, RS PRO 92dB Panel Mount Continuous, Fast Pulse Internal Piezo Buzzer, 35.5 (Dia.) x 23.5mm, 6V dc Min, 28V dc Max RS PRO 92dB Panel Mount Continuous, Fast Pulse Internal Piezo Buzzer, 35.5 (Dia.) x 23.5mm, 6V dc Min, 28V dc Max