The package only contains a mosquito repellent, and a USB strip, size: 71x71x24mm [fast and effective results within a week] Effectively kill all types of insects, rodents, mice and spiders with powerful new ultrasonic and electromagnetic technologies. Most customers will notice immediate results within 7-10 days. In some extreme cases, it may take up to 21 days to determine full results. [Safe and Environmentally Friendly for Human Products] This repellent uses specific ultrasonic frequencies that only insects, ladybugs and pests can identify and help you find your way home. Contains no odor or pesticides and is 100% non-toxic.Wide Coverage and Wide Use: Each ultrasonic repeller can cover 115 sq.m. Fit more into large open spaces to better protect your furniture, pets and home.