5Pcs 3.3V-5V Buzzer Module Active Active Alarm Module Electronic Module Buzzer Alarm Module Timers

Label:Yes Convenient program control, single chip microcomputer high and low level can make it sound, better than a passive buzzer. External connection of 3.3V-5V voltage, can be directly connected to 5V micro-controller and 3.3V micro-controller. Designed with holes for fixing with bolt, convenient to install. This active buzzer has internal oscillation source, so it will alarm as long as being energized. The module uses an S8550 transistor for driving.

Specifications: Working Voltage: 3.3V-5V Module Interface: 3 wire system Size: 3.2*1.3cm(1.26*0.51in) Color: As picture shown Quantity: 5pcs Weight: 20g(approx.)

Package Includes: 5 x Buzzer Modules