Kurtbomsan 3 Stage Electronic Mice Chaser is a high quality rodent and pest chaser. It produces a sound sweeping through different kHz frequencies and this way tosses away the mice, rats, acaroids, scorpions, ants, etc from where it has been placed. It can be used in granaries, flour mills, workplaces and housing estates. It can easily be used in places where children and pets are present since it does not use any of the primitive means of drugs, poison, adhesive or trap which pose a threat to the human health and the environment. 3 Stage 1500-3000-4500 m�² area of influence. The device should be placed at the center of the area for which it is going to be used and not placed behind an object. It should be placed 30 to 140 cm above the ground. In the first week of usage the number of rodents and pests may increase with the effect of the device. It can sometimes become effective within 5-6 weeks. It should be used long time for obtaining the maximum effect. It may be necessary to use more than one device in large or divided areas. It does not affect pets or other devices.