He aha nā mea maikaʻi a me nā pōʻino o ka namu ultrasonic repellent

I ke ola o kēlā me kēia lā, nui ka poʻe e hoʻohana i nā namu namu a i ʻole nā ​​pale namu no ke kipaku ʻana i nā makika, akā ʻaʻole lākou i ʻike nui e pili ana i nā namu ultrasonic repellents, ʻoi aku kona ʻano.He aha nā mea maikaʻi a me nā pōʻino o ka namu ultrasonic repellent?

1. Pono:

ʻAʻole ia e pōʻino i ke kino o ke kanaka, palekana a ʻaʻole ʻona.No ka mea, hoʻohana ʻo ia i ke ʻano o ka hoʻomālamalama ʻana i ka ultrasound a me ka leo e hoʻohālike i ke kani a me ka pinepine o ka dragonfly, hiki ke pepehi i nā makika, e hoʻokō ai i ka hopena o ka namu.He palekana, ʻaʻohe mea ʻawaʻawa, ʻaʻole hoʻomālamalama, ʻaʻohe pōʻino i ke kanaka a me nā holoholona, ​​a ʻaʻohe koena kemika.He hoa maikaʻi ia no ka huakaʻi home, lawaiʻa, hoʻomoana, barbecue, heluhelu, ka launa ʻana, ka piʻi mauna, ka mahiʻai, a me ka lawe ʻana i kahi ʻoluʻolu.Hiki ke waiho ʻia i loko o nā pōpoki.Ma ka ʻaoʻao o ka ʻīlio, e kipaku aku i nā makika.

2. Nā hemahema:

1.ʻAʻole loaʻa kahi hopena maopopo loa i ka namu kani ultrasonic.ʻAʻole maikaʻi ka hopena o ka namu e like me ka wai hoʻoheheʻe namu a i ʻole nā ​​​​mosquito coils, a ʻaʻole maikaʻi kāna hana.Eia kekahi, ʻaʻole maʻalahi kona kumukūʻai, a inā ʻoe e kūʻai, loaʻa iā ia ka hopena o ka waiwai ʻole.

2.He liʻiliʻi loa ka ʻāpana radiation.Ma muli o ka liʻiliʻi o ka mana, hiki iā ia ke uhi wale i kahi radius o 1.5 mika me ka namu e like me ke kikowaena, a ʻaʻole maikaʻi ka hopena o ka namu.

3. Hoʻonohonoho pololei ʻole o ka paepae hawewe kani kiʻekiʻe.He ʻokoʻa ko nā holoholona i nā hawewe kani alapine kiʻekiʻe.