A modern and clean way to keep mosquitoes away during summer nights. It is a multivibrator with an output of 5 KHz.This frequency makes mosquitoes go away. The circuit has very low power consumption and the battery will last for about a month of continuous use. Max. current: 0.001A Output frequency: 5 KHz Operating Voltage: 1.5 VDC, supply from battery possible PCB-Size: 20mm * 30mm