【Advanced Ultrasonic Mouse Technology】Upgraded chip helps generate stronger ultrasonic waves which affects the brain of insects and rodents, driving them away from home. The insect repellent can control mice, rodents, mosquitoes, ants, spiders, cockroaches, mice, etc. 【Full Coverage】The ultrasonic insect repellent works well in indoor spaces up to 800-1200 square feet and is widely used in homes, warehouses, offices and hotels. Since ultrasound cannot penetrate walls and solid objects, it is recommended to place the device in a room. For intense or large areas, additional units are needed. 【Wide Usage】Electronic insect repellent can let you repel all pests i.e. spiders, mice, mosquitoes, cockroaches , ants, snakes, butterflies, wasps, moths, fleas, flies, etc. This is by no means an immediate effect, but you will notice differences after 2-4 weeks. 【Easy to Use】When plugged into a power outlet, the insect repellent electronics will start worming after emitting blue light. It is