uxcell 20pcs 35mm Diameter Piezo Discs Piezoelectric Ceramic Copper Buzzer Film Gasket
- Electromagnetic buzzer is composed of oscillator, electromagnetic coil, magnet, vibrating diaphragm and housing..
- 3V DC low voltage power supply, suitable for alarm application of various electronics..
- Widely used in computer, printer, copier, alarm, electronic toy, car electronic equipment, telephone, timer, etc..
- Stable Performance, good practicability, high quality plastic and metal material, long service life..
- The buzzer will issue long alarm in relatively high voice once powered on, safe and reliable to use..