RS PRO Black Through Hole BuzzerThe RS PRO 12mm diameter, black through-hole buzzer is an electromechanical transducer with PCB pins. It is continuous tone buzzer with a minimum sound output of 85dB at 1m for its size. It has an electrical rating of 12Vpp and 40mA.Features and Benefits• Highly versatile buzzer• Housing material is Noryl• Operating temperature ranges between -30 °C and 70°C• Sealed base• Washable• Wave solderableApplications• Applications that require audible warning or signal