5Pcs 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: * 5 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.