The GPC17045YB-5V4000 is a buzzer with through-hole mounting manufactured by INGHAi. It is designed to generate an audible sound when an electrical current is applied and is RoHS compliant. It operates at a voltage of 5V and produces a sound pressure level of up to 4000mV. The product has a frequency range of 3KHz to 4.5KHz, and a life expectancy of up to 50,000 hours. It is designed for use in a variety of applications, including audio signals, alarms, timers, and other alert systems.