Olan AllerVia-E
AllerVia is the natural solution to fight allergies to dust mits. It is an electronic emitter of ultrasonic waves, that are totally inaudible to the ear of humans and pets, but can interfere with the life cycle of mites by inhibiting their ability to reproduce and / or on the allergens of the fecal pellets. The benefits are progressive and show up after about six weeks of continued use.
 
Instructions
AllerVia-E is supplied with a low-voltage transformer that must be plugged into a standard 220-230V AC socket.
 
Conditions of use
After inserting the power supply to the device and connected it ot the grid, a blue gauge will turn on and show that devices is operational. The product must be positioned so that there are no obstacles that prevent ultrasounds from spreading around. The ultrasounds spread quickly and are easily absorbed by soft materials, such as furniture and curtains. The sound work quickly both in hot and in cold air, while humidity may reduce the speed of ultrasound due to high-frequency. A level of humidity above 85% significantly reduces the pressure level of sound and ultrasound. 
 
Coverage
60-80 m³. The high-frequency sounds cannot pass through walls or partitions, while the coverage may increase a lot with the bounce of sound on reflection objects such as mirrors. The energy consumption of the product is very low.
 
Size
11 x 7 cm