ultrasonic mosquito repeller Application: personal,outdoor,easy to carry, effective drive mosquito range 10 square meter AR110 watch-style driving mosquito+outdoors Helper ... It stops working;on the position“I”,imitating male mosquito swing wing.On the position“II”,imitating Dragonflies to ... Lithium battery c.work Current: 2~4mA d.Male mosquito frequency: 18.4kHz e.Beating wing frequency of simulating ...