Afraid Mosquito? Now No! According to the science research, only the female mosquito suck the blood, the meter simulates the male mosquito or the dragonfly sound so that the female mosquito never close to you.

The Mosquito Repeller uses an advanced technology insect repellent that makes outdoor living and activities more enjoyable from the annoyance of mosquitoes.
Range effected: 6-8 Feet (1.8-2.4 Meter)
Use one unit CR2032 x 3V battery and meet CE/ROHS approval