SMD Buzzer: -9.6*5mm, 2700Hz, 1.5V-15V(DC); -Self drive with internal oscillator circuit; (SMD) Surface Mount Buzzer application:-Portable device, Test equipment;-Digital camera, Data collection;-Security system.Main feature: -Small size, Two types: Piezo and Magnetic SMD Buzzer;-Side opening for sound emission;-High sound output. Surface Mounted Buzzer , SMD Buzzer