The GMC0942YB-16R2700 with Buzzers Through Hole RoHS manufactred by INGHAi is an electronic component in the form of a through-hole mount piezo buzzer. It has a continuous sound output power of 16R at 2.7KHz. It is also RoHS compliant, meaning that it meets certain eco-friendly criteria, so it is free from hazardous substances like lead, mercury, and cadmium. Features include a built-in oscillator circuit, an operating voltage range of 5V to 15V, and a sound pressure level of 80dB at 10cm/4 inches away from the device. Its applications include audio alerting or signaling, general purpose sounds, and custom applications.