The GMD9505RB-12V2700 with Buzzers Through Hole RoHS manufactured by INGHAi is an electronic part designed for use in both industrial and consumer products. This part functions as an amplifier for sound and is comprised of a Tone / Tilt chip, two internal buzzers, voltage regulator, and a transformer. It is designed to produce an audible sound when a certain voltage threshold is met. This audible sound can be used as an alert or warning mechanism in applications such as fire alarms, security systems, portable computers, and appliances. The part is RoHS compliant, meaning it has been manufactured to meet European standards for environmental regulation and safety. The part is also compliant with UL safety standards, and is lead-free and RoHS-compliant, meaning it is free of hazardous materials. The part has a 12V2700 operating voltage and is designed to operate with both alternating current (AC) and direct current (DC) power sources.