Style:3PCS 3V + 3PCS 5V Specification: Type: Electromagnetic Active Buzzer Material: ABS Color: Black Rated Voltage: 3V, 5V Rated Current (MAX): 30mA Min Sound Output At 10cm: 85 dB Resonant Frequency: 2300 +/- 300 Hz Size: 12x9.5mm Pin Spacing: 7.6mm Feature: All multi-chip integrated circuits using gold wire ball bonding, complex production process, long life, stable performance, high rate of qualified products. Active buzzer need only on the DC will beep,active buzzer internal oscillator! Package included: 3x 3V Active buzzer continuous beep 3x 5V Active buzzer continuous beep
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