16W*2.5Hmm 4000Hz 80DB MaxCurrentConsumption 2mA RoteVolt 5V Capacitance 15Kpf Soldering Process: Reflow Soldering SMD Piezo Buzzer /Sounder/Speaker/HornApplications: Telephone, Clocks, Medical Equipment, Mobile Phone, Toys, Official Supplies, Note Computer, Microwave Ovens, Air Conditioners, Home Appliance, Automatic Controlling Devices.Features: SMD Buzzer