The GMD9505YB-12V2700 with Buzzers ThroughHole RoHS is a multi-application piezo buzzer manufactured by INGHAi. It is a 12V device with dual-frequency tones and is designed for use in a wide range of applications, from industrial to consumer products. The device has a maximum current rating of 500mA, a rated voltage of 2700 Hz, an impedance of 5.5kO at 4.7kHz, and a sound level of 85dB(A). It is RoHS compliant and has an environmentally friendly, lead-free design. The buzzer is designed to be compact and easy to install, with its standard through-hole mounting. It is reliable and accurate, making it an ideal choice for alarm, alert, and warning devices in industrial settings.