Pack of 3, 12 mm Mini active buzzer Continuous beep/3/5/12/34 V

Features

• Produces a continuous beep (active buzzer)

• Works on multiple voltages: 3V / 5V / 12V / 34V (model dependent)

• 12mm compact piezo structure

• Easy to use — just connect power

• Loud and clear tone output

• Low power consumption

• Long operating life with stable performance

Applications

• Security alarms and alert systems

• Electronic toys

• Arduino, ESP8266, ESP32 sound indicators

• Timers and notification devices

• Home appliances sound alerts

• DIY projects and electronic kits

• Warning buzzers for sensors (gas, fire, motion)