CLEANRTH CI007 Advanced Ultrasonic Insect Repelling System | Demands Insects & Bugs to Leave! Latest technology and improved speakers broadcast intense ultrasonic insect repelling sounds Dual speakers project two powerful ultrasonic sound streams creating an unbearably chaotic environment for unrivaled insect control Multiple Insect Repelling options, including chaotic and variable modes for Insect Targeting, Confusion, and Power 7,000 Square Feet of Power/Coverage - May be used Indoors or Outdoors Water Resistant / Not water Proof We Care About Your Results this is why we Include a 1-Year Money Back Guarantee & 1 Year Warranty