The Ultrasonic mosquito repeller uses an advanced technology insect repellent that makes outdoor living and activities more enjoyable from the annoyance of mosquitoes.
It works to help protect you while you're fishing, camping, hiking, jogging, on the golf course, or just at ease on your patio or porch.
Locate the frequency switch on the side of the device: Male mosquito setting / Dragonfly setting / Power off.
Not all mosquitoes are deterred by same things.
Try each setting for 15 minutes or so until satisfactory results have been achieved.
With a key chain for easy carrying