Brillante Ultrasonic Pest Repeller for Electronic Home Insect & Rodent Control - Target Indoor Mice, Rats or Bugs and Eliminate Odors REPEL PESTS FROM YOUR HOMES WALLS - This electronic pest repeller features electromagnetic technology to disturb pests hidden in walls and deter undesirable would-be invaders by slightly varying the electromagnetic frequency of the in-wall wiring without impacting other electronic equipment. NON-TOXIC HOME PEST CONTROL - Helps you maintain a pest-free home without the use of poisons or chemicals should you wish to avoid them. Control rodent and insect invaders with ultrasonic sound frequencies (inaudible to the human ear) and electromagnetic fields instead of chemical sprays and poisons. Use to target your mouse problem or to deter bats, ants, cockroaches and other crawling insects. CHOOSE THE FUNCTIONS YOU WANT - This pest repeller includes 4 switches that let you select which of the 4 functions you want to activate. For example: Its easy to switch off the ultrasonic mode if you intend to place the repeller near sensitive pets like rabbits, hamsters or gerbils. Subtle LED lights indicate which features are active. ELIMINATE ODORS & GERMS - Use the negative ion and O3 functions to help eliminate odors, airborne pollutants and to reduce virus and bacteria levels. Use in conjunction with other non-toxic methods such as essential oils to amplify the effect. EASY TO USE & RISK-FREE GUARANTEE - Just check the manual for recommendations, plug into a standard wall outlet and activate your desired function for indoor pest control. Ultrasonic for rodent defense and insect repelling, electromagnetic for in-wall pests and negative ion and/or O3 for airborne microbe control. If you don't get the results you want we'll fulfill our 60-day no-hassle refund guarantee