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Electrothermal mosquito-repellent incense
- Dec 23, 2016 -

Advantages of ① no smoke, no smell, no dust, no pollution; II the use of PTC heating source, safe, hygienic ③ easy to transport.

Shortcomings ① drive killed mosquito effect not stable, front 4 hours better, 4 hours Hou, drive killed mosquito effectiveness gradually declined; II pesticides formula cannot free adjustment, single pesticides formula, mosquito easy adapted; ③ pieces long-term in fixed type heating, pesticides of decomposition rate high; II using Hou of paper base still has 20-30% pesticides residual, lost drive killed mosquito of role, caused waste, also pollution environment; ⑤ power 5W/h.