TASOM Ultrasonic Electronic Pest Control Repeller Repellent - Spiders, Roaches, Other Insects, Repels Mice, Non-Toxic Environment-Friendly, Humans & Pets Safe (Blue/White - 1 Pack) Safe for Humans & Pets:The multifunctional dual ultrasonic pest repellent does not use dangerous and harmful poisons. Just plug in and enjoy. No battery needed! No Chemical & Eco-friendly:It is useful for all kinds of pests. The multifunctional ultrasonic+electromagnetic insect killer can deal with various pests including squirrels, mosquitoes and mice, flies, cockroaches, spiders, fleas, etc. The sound is not detected by the ear and therefore does not interfere with or stimulate humans, cats and dogs. Easy to Use:The tiny, compact design makes it a portable plug-and-play product. Simply plug the electronic pest control into the wall socket, it works when the 2 breathing LED lights is on, you can turn the light off via the touch switch. .Ultrasonic and electromagnetic causes confusion, convulsions and even death, forcing the pests to move away. Wide Effective Range: Insect repellent can be used in various places, such as bedrooms, bathrooms, garages, kitchens, offices, warehouses and so on. This is very effective for 1300 square feet. For best results, it is recommended that you install each room. No mosquitoes in the bedroom will affect your sleep. Satisfaction Guarantee: We promise high quality and 100% satisfaction with refund guarantee. If you are not satisfied with the pest repellent, please contact us, we will reply to you within 24 hours and provide you with satisfying solution.