Color:White Material: ABS Ultrasonic Electronic Pest Repeller Feature: 1. Energy saving and environmental protection solve the problem of pests, thereby protecting the health of users and their surroundings. 2. Plug and play, easy to use insect repellent. 3. No irritating chemicals, objectionable smell or unsafe smoke. 4. Wide and effective coverage, up to 2000 square feet, suitable for home, warehouse, store, hotel, hospital, office, factory, etc. 5. Light weight, ultrasonic insect repellent is light and easy to install. 6. Save money efficiently. 7. Ensure that each product has passed the rigorous quality tests invented by professionals to meet the changing needs of customers. 8. Harmless to humans and pets Warm tips: 1.Please install rodent control at 7-31 inch away from floor and vertical to floor. 2.Keep distance from carpet, curtain and any sound absorption material that make the sound field becomes smaller and affects the insect repellent effect. 3.Ultrasonic pest repellent is only for indoor use, not recommend to use in garden or outdoors. 4.Plug in the pest repeller and you will find that those pests will run away,because they are trying to run away from your house after being attacked by ultrasonic. 5.This device works remarkably effective after 2-3 weeks, so please wait patiently. 6.Newest ultrasonic pest repeller sounds can penetrate the solid and walls, the effect is very useful. Package Includes: 4 Packs