2Pcs DC 3-24V Active Electronic Buzzer Piezo Alarm Sounder Continuous 90dB Beep Speaker

Specification:
* Name: Active Buzzer
* Rated Voltage: DC 3-24V
* Max Rated Current: 15mA
* Mini Sound Output: 90dB
* Wire Length: 11cm
* Hole Diameter: 3.5mm x 4mm
* Hole Distance: 40mm
* Response Frequency: 3400+/-500Hz
* Operating Temperature: -20C to 70C
* Material: ABS
 
Package included:
* 2 Pcs x Active Electronic Alarm Buzzer

Feature:
* This mini electronic beeper support DC 3-24V power supply and produce continuous high-decibel alarm sound up to 90dB.
* 40mm mounting hole spacing, 2-wire pigtails easy to connect.
* Just connect to to any power supply from DC3-24 Volts. Complete drive circuit incorporated for direct operation from DC power source.
* Widely used in the car modification, DIY electronics reminder projects or other area needs sound alarm.