CUSTOMER SERVICE

Main Parts : 
Power Jack x 2
Piezoelectric Buzzer x 1
2x2-pin Stackable Header x 1
Buzzer Type : Piezoelectric, internal-drive
Input Voltage:4V~5V
Output Frequency : 1.7KHz ±10%
Sound Output:83 dBA
Brick Unit:5 x 4

Note : 
Connect Vin to HIGH to output 1.7KHz sound
Connect Vin to LOW for output mute sound

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