ENHANCED PEST CONTROL TECHNOLOGY: This mouse repeller emits different frequencies of ultrasonic waves to irritate the nervous system of insects and rats, making them feel uneasy and gradually running away. Effectively repels pests like mice, rats, mice, ants, mosquitoes, spiders, cockroaches, rodents, etc. , and pets. This is a physical method to keep pests away, non-toxic, eco-friendly and absolutely safe for children and pets, a pest repeller that combines advanced technology and a lightweight humanitarian design: the ultrasonic pest repeller is portable and easy to install, just plug and play. Widely used in home, warehouse, office, garden, hotel, etc. Energy saving protects you from pest intrusions throughout the day without worrying about your bill. inches off the ground and hold it vertical to the ground. It works when the blue LED night light is on. No more annoying insects in your home. For best results, outfit each room with a pest repellent. For indoor use ONLY