Unique Technology: Ultrasonic Pest Repeller using intelligently three-layered bionic wave, it works by emitting a disorienting pulse, which directly affect each pests the neurological auditory and immunity , keeps pests away from your home or office, it's suit for house, warehouse, office, hotel. Safe to use: Ultrasonic Pest Repeller is human and pet friendly, keeping at bay all sorts of little enemies such as mice, rats, mosquitoes, flies, beetles, cockroaches, moths, ants, bedbugs and more. Wide coverage: The pest repellent gets coverage up to 115 m2. You should use one unit per a room to see the best result because the ultrasonic cannot pass through walls or solid objects. Indoor spaces that are suitable for this pest repeller plugin ultrasonic are house, garage, office, company, restaurant, warehouses, etc. Simple in use: This mice repellent indoor can be started by easy step. You just plug the spider repellent into the outlet and then it will operate automatically. The rodent repellent must take some days to work effectively. Great customer service: We always bring offer the best quality to our customers in terms of product and service. Thus, if you do not feel satisfied with the insect repellent indoor, we will find an option replaced for you.