Ultrasonic Spider and Rodent Electronic Plugin Pest Repeller, 1 Pack 100% AUTHENTIC & ORIGINAL - Just plug in Sonic Pest Fighter & start repelling away mice, cockroaches, rodents, spiders, ants & rats. Our tested & proven combination of ultrasonic and electromagnetic frequency (inaudible to humans), along with our dedicated client-care team simply makes this the best pest repellers money can buy. USE 1 DEVICE IN EACH ROOM for best results, as ultrasonic waves don't pass through walls & solid objects. We suggest using at least 1 device for each bedroom, and at least a couple units for areas where pests are most often found (like the kitchen & garage). SEE FAST RESULTS IN 14 DAYS - Most customers report results in 14 days or less. This pest repellent uses ultrasonic & electromagnetic waves (inaudible to humans) to quickly drive away indoor pests. No maintenance required. SAFEST PEST CONTROL SOLUTION - Unlike expensive pest control services that cost thousands of dollars, messy mouse traps or toxic poison sprays that are harmful to pets - this eco-friendly solution permanently puts an end to your pest removal problems. Its 100% safe around your pets & kids. 100% SATISFACTION GUARANTEE - We're an American-based family business 100% committed to helping you END your pest problem forever. After 21 days of constant use, if you're not thrilled with your results - contact us and we'll take great care of you. By now clicking 'Add To Cart', you're protected by our 90 day money-back guarantee & free replacement warranty.