10 Pcs Buzzer, 3 12V Electronic Buzzer for Physical Circuits Continuous Sound Alarm

Stable structure: made of high quality ABS material, environmental friendly, flame retardant and durable. An integrated electronic vocalizer consisting of multi-harmonic oscillator, piezoelectric buzzer chip, impedance matching unit, resonator and housing. Rated voltage: 12V; Voltage range: 3-12V; Resonance Frequency : 2.8 ± 0.5KHz Wire length: 5cm/2" ; Diameter: 12mm / 0.47" Sound pressure level: 85dB. Easy to operate: connected to the rated power supply, the buzzer beeps continuously, simple and convenient to use. Application: Widely used as a buzzer for the circuit of electronic products such as computers, printers, copiers, alarms, electronic toys, automotive electronic devices, telephones, timers, etc. as an audible device., Manufacturer: Dolaso