12D*7.5mm 2700Hz 80DB 7.6*6.0*4.5mm PinDistance&Length RoteVolt 5V MaxCurrentConsumption 30mA Soldering Process: WaveSolder Applications: Telephone, Clocks, Medical Equipment, Mobile Phone, Toys, Official Supplies, Note Computer, Microwave Ovens, Air Conditioners, Home Appliance, Automatic Controlling Devices. magnetic buzzer