The Ultrasonic Pest Repellent is a mosquito killer lamp with a fan that works silently in eradicating pests in your home. With a unique, photocatalyst design, this lamp provides an excellent mosquito-repellent effect. Safe for humans and pets, this lamp provides a pest-free living environment. Small in size and lightweight, this lamp is easy to store and carry. This product is ideal for bedrooms and study rooms.