Feature:* This mini electronic beeper support DC 9-15V power supply and produce music high-decibel alarm sound up to 90dB. * 50mm mounting hole spacing, 2-wire pigtails easy to connect.* Just connect to to any power supply from DC9-15 Volts. Complete drive circuit incorporated for direct operation from DC power source. * Widely used in the modification, DIY electronics reminder projects or other area needs sound alarm. Specification:* Name: Active Buzzer* Rated Voltage: DC 9-15V* Max Rated Current: 15mA* Mini Sound Output: 90dB* Wire Length: 11cm* Hole Diameter: 3.5mm x 4.5mm* Hole Distance: 50mm* Response Frequency: 3400+/-500Hz* Operating Temperature: -20C to 70C* Material: ABS Package included:* 2 Pcs x Active Electronic Alarm Buzzer
