Product Name: Active Buzzer Module Buzzer Sensor Beep 9012 Drive + Cable for Arduino AVR PIC

The characteristics of active buzzer module are:
1 active buzzer internal source with shock, so as long as a electricity will call
2 program control convenient, SCM a high and low level can make the sound, and passive buzzer but can't do.
Features:
Module using 9012 transistor drive
Operating voltage 3.3V -5V
Small board PCB size: 2.8 cm * 1.3 cm