1. If placed in a warehouse or item stacking place, or on a multi-room floor, pls put a few more machines to increase the effect!
2. In the first few days of using it, if mosquitoes, mice, pests, etc. are found to increase significantly, it is a normal phenomenon. Because the rats and insects try to flee their original hiding places when they are attacking by ultrasound and electromagnetic waves.
3. The installation place should try to avoid carpets, curtains and other sound-absorbing materials to prevent the reduction of sound pressure to make the sound field smaller and affect the insect repellent effect.
4. It can widely used in house, apartment, restaurants and etc. and target for insects, rat, mosquitos, flies, wasps, ants, spiders, fleas, cockroaches, low energy but high efficiency.