Features: Working principle Repeller: Ultrasonic insect-indoor repellents use ultrasounds to stimulate the brain neurons of-pests. Long term-stimulation can cause damage to the neurons of-pests, thereby achieving the goal of expelling-pests Safe and Pet-Friendly: Utilizes Ultrasonic waves that are no harm to pets and family. Multi-functional Rodents Repeller: 4 working modes to achieve the effect you want. Mice Repellent/Mosquitoes Repellent/Cockroaches Repellent/circulation Premium Material: The product is made of quality material, sturdy, no need for frequent replacement or maintenance. It will bring you a clean and comfortables life. Since ultrasonic waves emitted by the repellent do not penetrate walls, it is recommended to use one in each room for better results. Wide application: Suitable for living room, bedroom, kitchen, store, house, warehouse, garage home, apartment, shed, tenants, and more Notice: 1.Actual color may be slightly different from the image due to different light effect 2.Please allow 1-3cm deviation due to manual measurement Battery capacity: 1200 mAh Power: 5W Rated voltage: 5V/1A Package List: 1x Upgraded Ultrasonic Repeller