Goelgroup offers draminski rodent repeller which is a pocket-sized ultrasonic device can be used for deterring rodents in feed warehouses, farm and production buildings, cold storage, shops, cellars, attics, etc. A selected and tested high frequency sound wave [inaudible for the human ear] specially designed to cause acute rat and mouse discomfort drives rats and mice out permanently. Salient features are as follows:
1. the rodent repeller acts on the area of 100 m2, i.E. 10 m perpendicular to the device and about 5 m to the sides from the place of fixing.
2. a number of devices should be used on a larger area or in a room with dividing walls as curtains, dividing walls, furniture, etc. Deaden ultrasounds. Using the device after a thorough deracination gives good effects.
3. the rodent repeller has been tested for human safety in the central institute of occupational hygiene in poland.
4. it is permissible for a human being to stay at a distance of at least 2 meters from the device for 8 hours uninterruptedly.
