Alarm module Ringer Active Buzzer - 3 volt

Specification: 1. Weight: 3g 2. Input voltage: 3.5-5.5VDC 3. Current: <25mA. 4. Frequency: 2300500. Features: 1. It is made of oscillator, the electromagnetic coils, magnets, diaphragm and housing and other components 2. After powered on, the audio signal generated by the oscillator current through the solenoid coil, the electromagnetic coil generates a magnetic field entangled in the diaphragm and the magnet solenoid 3. The active buzzer has an internal oscillating source, so it will be called as soon as it is powered on 4. Widely use in computers, printers, copiers, alarms, electronic toys, automotive electronic equipment, telephones, timers and other electronic products for sound devices.