TONThe GMC25125YB-42R800 with Buzzers Through Hole RoHS manufactured by INGHAiTON is a type of electronic element device. It is a piezo buzzer commonly used in a variety of systems and applications. This buzzer is RoHS compliant and features through-hole construction, 3.3VDC, 0.04A operating voltage, 25kHz-125kHz frequency range, 2800mW power, (50dB)-dB sound pressure level (at 10cm), and standard PC board mounting. The buzzer has an adjustable sound frequency and long life expectancy of 30,000 hours.