Mosquito-repellent （ Insect ） String lights
Many lepidopteran insects are sensitive to particular wavelengths. Blue or ultraviolet light below 500nm strongly attracts mosquitoes and insects and can irritate human eyes, while yellow light at 530nm~590nm has a repellent effect and is more comfortable for human vision. The photonic insect-repellent lamp uses LEDs to increase brightness by more than 30% compared with common insect-repellent lamps. It produces abundant repellent light at 530nm~590nm and removes attractive light below 500nm. Conventional mosquito coils and chemical sprays may harm health with long-term use. Electric insect killers can be noisy and disturb sleep, and their ultraviolet attractant may affect eyes and skin. Audio or ultrasonic repellents use very high frequencies that may cause irritation and restlessness.
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