Wireless Active Electro Magnetic Buzzer 5V Build-In Oscillating For Computer

Wireless Active Electro Magnetic Buzzer 5V Build-In Oscillating For Computer Electro Magnetic Buzzer Quick Detail: Size: D12mm*H6.5mm Rated Voltage: 5VDC Operating Voltage: 3-7VDC Rated Current: Max. 30mA at 5VDC SPL: Min.85dB at 10cm Input 5VDC Resonant Frequency: 2700+/-300Hz Continuous Electro Magnetic Buzzer Description: buzzer Electro-Magnetic Transduer with build-in oscillating 5V Buzzer 12mm Electro-Magnetic Buzzer Electro Magnetic Buzzer Specification: 1. Electro