The biomimetic trapping nano violet light wave uses the principle of human body heat to attract mosquitoes to simulate the temperature of the human body to trap mosquitoes in a large range. The vortex airflow is strong, and the mosquitoes can be accurately caught.USB power supply saves energy and electricity. Innovate the bionic trapping technology, LED energy-saving light source, and enhance the application of mosquitoes. It can continuously kill mosquitoes from day to night.The capture range is large and does not contain harmful substances. The elderly and children can use it with confidence. The surrounding purple light design does not dazzle the eyes in dark environments. The noise reduction value is about 30 decibels to provide you with a comfortable sleeping environment.Being ideal for the baby nursery or adult bedroom Safe for human health and environment.The power supply has low power consumption and more energy saving. The detachable chassis can be cleaned. Powered by USB so you can connect this with an adapter, power bank, computer or any device with a USB port. It is very portable and perfect for indoor and outdoor. It can kill mosquitos or use for lighting.Recommendations for use: Please use it in a dark environment for the first time, and try to place it at a position about one meter above the ground. Use with doors and windows closed. Do not place it in an air conditioner or fan outlet. Make sure that the mosquito killer is the only light source. The physical mosquito killer lamp has no drugs and chemical ingredients, so it will not kill mosquitoes as soon as it is turned on.Size M is 22 cm high and 12 cm wide.Size S is 17.5 cm high and 10 cm wide.