Emerson™ Electronic Bug Repeller

Acts like an invisible force field — keeps bugs away!
Keep your personal area free of pesky mosquitoes and more — without using dangerous chemicals that need to be reapplied! Clip-on device emits the ultrasonic sound of a dragonfly, which preys on flying, biting bugs. It's also a bright LED flashlight! You'll wonder how you lived without it! Uses 4 button batteries, included.