Features: * Works by continuously transmitting a powerful range of ultrasonic sound waves that drives away pests, while remaining completely inaudible to humans and pets. * Low power consumption, suitable for long time operation. * Product differentiation: Our product 360 degrees ultrasonic transmission, more effective anthelmintic. The back has a heat dissipation function to prevent excessive work. It only costs around 5W of power each devices BUT ensure you 7*24h free from pests and mice. * WIDE COVERAGE AREA: Our Ultrasonic Pest Repeller is effective for an area up to 1,200 Sq Ft120. per unit. * SAFE, ECO-FRIENDLY AND ECONOMICAL PEST CONTROL SOLUTION: Protects your home from pests without using dangerous chemicals, sprays. Its safe for your family members and lovely pets such as dog and cat,etc. Drive away pests rather than killing them, so It wont leave any mess behind for you to clean. With low power consumption, it is an economical and effective pest control solution compared to expensive pest control service. * NOISELESS - The ultrasonic waves that this repeller sends are far beyond the hearing range of human-beings. Nightlight Feature- The ant repellent provides a soft glow in the dark. * It's normal that the mouse and vermin will increase at the beginning of the using daysbecause they are getting away from the living place after the attack of the ultrasonic. Usually, it could take 3~4 weeks to notice Packages: 1/4/6/8pcs Ultrasonic repeller insect repellent