Brookstone Brookstone Portable Ultrasonic Mosquito Repeller - 3 Pack

Repels mosquitoes, gnats, flies, ticks, fleas,and other flying, biting insects• Perfect for camping, hiking, sports, gardening, etc.• Emits high frequency ultrasonic waves,inaudible to the human ear• Safe around children, pets and pregnant women• Pocket clip for easy attachment to belt or clothing• Each unit requires 1 x AA 1.5V battery (not included)• Effective range: 30 square feet (each repeller)• Chemical free and non-toxic — environmentally friendly