Specification:
Name: Active Piezo Buzzer
Material: ABS
Color: Black
Type: Continous Sound
Working Voltage: DC 3-24V
Rated Voltage: DC 12V
Max Rated Current: 30mA
Mini Sound Output: 90dB
Response Frequency: 3000 +/- 500
Operating Temperature: -20 to 50 degree
Storage Temperature: -30 to 80 degree
总尺寸：42 x 17mm / 1.6“ x 0.67”（D * H）

Feature:
This mini electronic beeper support DC 3-24V power supply and produce continous high-decibel alarm sound up to 90dB.
50mm mounting hole spacing and 18mm thickness with 2-wire pigtails easy to connect.
Just connect to to any power supply from 3 to 24 Volts. Complete drive circuit incorporated for direct operation from DC power source.
Widely used in the car modification, electronics reminder projects or other area needs sound alarm.

Package included:
6x Black Active Piezo Electronic Alarm Buzzer