Ultrasonic pest repeller, against rodents, indoor, 20 m², battery operated. Supplied = assembled. Height = 70 mm. Width = 180 mm. Depth = 180 mm. Weight = 0.25 kg. Housing colour = white, black. Product type = pest exterminators. High frequency ultrasonic waves drive away vast majority of rats, mice and rodents. Harmless and inaudible to humans. Ideal for use in rooms up to 20 m². For use against rats, mice and other rodents. Free from toxic substances and easy to use. The mobile solution to effectively repel rodents. Whether in the attic, cellar, garage or living area, infestation with rodents can cause unwanted damage and the creatures are often difficult to keep away. This becomes a real challenge, especially when mice and rats can enter from the outside, and the access point cannot be sealed off. In situations like these, driving the pests away instead of catching them is recommended. The best way to do this is by using an ultrasonic rodent repeller. Ultrasound has many advantages when it comes to repelling mice and rats. Its use is absolutely environmentally friendly, as no chemicals or toxins are used. The use of ultrasound is particularly recommended for closed rooms, as this is where it is most effective. It has an immediate impact! When the device starts operation, rodents are deterred immediately. The high frequency waves that are emitted will disturb mice and rats while remaining inaudible to humans. No negative effect has been observed on pets such as dogs and cats. Power supply provided by 8 x AA batteries (not included) , 6 - 7 weeks of autonomous operation without a power source (depending on batteries) Suitable batteries can be found below under Accessories. They are not included with the device and must be included in the order if required.