Ducoo 4 Pack Ultrasonic Pest Repeller, Spider Repellent Plug In, Cockroach Control Devices Indoor & Outdoor Anti Mosquitoes, Fleas, Ants, Bed Bugs, Flies, Spiders, Wasp, Rat

Updraded Ultrasonic TechnologyThis Ultrasonic Pest Repeller designed using the latest technology and uses dual-frequency ultrasonic waves to generate sensitive frequency pulses for most flying and crawling insects. With the higher variable ultrasonic sound frequencies waves that effectively nearly all pest, while being completely inaudible to the human and pets, animal-friendly, and safe for children.

Safe & EconomicalThe Electronic Insect Repellent is a humane method of pest control. Giving off no noise and radiation, free from dangerous chemicals or smells. And no harm to the health of babies, pregnant and pets.

Easy to UsePlug and play. Please make sure to install it vertically 80-120cm away from the floor. And make sure there are no barriers like curtains or cabinets covering in front of the repellent. Please note that our ultrasonic repellents work between 3 and 4 weeks to make an effect depending on the amount of infestation.

Wide Coverage AreaSets of 4 powerful pest repeller combinations can definitely meet your needs. Is effective in an indoor area up to 1600 sq. But for areas with serious pests, we suggest install 2 or more devices for other room.

Quality AssuranceWall Plug-in Electronic Insect Repellent has strict quality standards, all of the materials are well-selected. We are confident to provide you 60-Day money back guarantee. You are covered with 24/7 online customer service as well. If you have any problems, please contact us.