Description : Electronic Ultrasonic Pest Rat Mouse Insect Rodent Control Repeller Anti Mole Killer Trap Bug Chaser. With this product, in a few days, you could find in this period of increased activity of insects, because the ultrasonic forces them driven out from their hiding place. And then in a short time they will muffler cover his tracks and all run away:D Features : Turns your home's wiring into a pest repellent force-field. Simply plug into wall power socket and it'll send out electrical pulses that'll rid your home of almost any pest. It can used to rats, mice. Low power consumption. LED working indicator lights. Specifications : Rated voltage : 100-240 V Rated power : DC 8-9V 500mA Frequency : 25KHzd Material : Flame retardant ABS Effective area : up to 80㎡ Size : 13 x 6.5 x 4.5 cm / 5.12 x 2.56 x 1.77 inch (appr.) Power Adapter : US Plug, UK Plug, AU Plug, EU Plug Package Includes : 1 x Electronic UltrasonicPest Repeller Note : 1. This product does not harm for human listening. 2. Since the ultrasonic is within dogs' and cats' listening competence,please keep your pets far away from this Pest Chaser.