4 IN 1 ULTRASONIC PEST AND RODENT REPELLENT - Manually adjust these 4 modes to achieve the effect you want. No need to buy various products for different kinds of pests. TEST = test tone (simulate the sound heard by rodents, check whether the device can work). ULTRA = Ultrasound (effectively repel mice and rodents). TRANS = pressure wave (effectively repel squirrels). DUO = pressure wave + ultrasound (rejects all pests, rodents and insects).
SAFE & EFFECTIVE – These ultrasonic repellers are safe to use around children and pets. Place them anywhere in your home that you are experiencing a pest problem, including damp or humid areas.
READY-TO-USE – These traps are ready to use right out of the box. No need to prep the area or prep the trap. Simply place it in your home where you see the most pest activity.
WIDE RANGE - Effectively repels rats, mice, squirrels, cockroaches, spiders and more rodents and pests. The Ultrasonic Pest Repeller is effective within an indoor area up to 1600 sq. ft. Perfect for homes, warehouses, offices, gardens, hotels
SAFE & EASY TO USE - The mouse repellent adopts ultrasonic technology, which is non-toxic, chemical-free and odor-free. It is completely safe for people and pets. Simply plug the repellent in and it will start working. The Blue/Green illumination confirms that it is in good working condition. No need to clean up dead pests and no battery required

Pest Shield Ultrasonic Portable Pest Repellant