The YS-MBZ12095DYB05 is a buzzer manufactured by Fengming. It is a through-hole buzzer that measures 12x9.5mm and is RoHS compliant. It has an operating voltage of 4.5 to 5.5 volts and an operating current of 25 mA. It has an excellent sound pressure output of 94 dB and a good sound type. It can be used for alarms, signals, alarms, doorbells, machines, and other electronic products that require sound output. It is typically used in consumer electronics, such as alarm clocks, game controllers, and other products.