Ultra-quiet work: the mosquito repellent makes hardly any noise. The working noise is less than 30 dB. The quiet fan provides an almost quiet sleeping environment and does not affect your night sleep. Let you and your family enjoy sweet dreams. Working principle: This product is the light produced by the photocatalytic inhalation mosquito killer, so that you bring the mosquitoes near the light source, the fan creates an air flow and quickly sucks them into the mosquito storage box of the mosquito killer and then air-dried and died at dehydration, kills mosquitoes physically, is non-toxic, smoke and taste neutral. al. USB connection Powered by the USB port, which is very convenient. You can use power banks, laptops and other USB devices for charging. Regardless of whether it is a closed dark environment at home, office, workshop, shop, restaurant, hotel, etc., you only need to create a USB connection to work. Easy to clean: the mosquito killer is very easy to clean and wash. Turn to remove the box with the mosquitoes, clean it with water, wipe it with a cloth and reuse it. Please note: Please turn on the mosquito repellent in the bedroom (3 hours) in advance and keep the environment closed and dark. Turn on the mosquito repellent only when you sleep. Try not to turn on the light, open doors and windows and do not place it at the outlet of air conditioning systems or fans. Turn off other lights to ensure that the light source of the mosquito killer is the only light source. Product description Colour:White Please pay attention to the first use: 1. Please use it continuously for 3 to 5 days. Please close the doors and windows during the day to keep the environment dark, and place them in the bedroom to kill mosquitoes. Place it on a position about 1 metre above the ground. 2. Take a look at the mosquito storage box again after 7 days. The product adopts purely physical mosquito catching. After they have caught mosquitoes alive, they are dried and dehydrated to death. If you open it frequently, the undead mosquitoes fly out. At this time, you should continue to turn on the machine for 3 hours to dry the mosquitoes. Precautions: 1. When using the mosquito killer, try to turn off the light or reduce the light in the mosquito area to avoid other light sources. Interferences (such as fluorescent lamps, TVs, light resistance outside windows, etc.) avoid strong winds (such as fans, air conditioners, etc.). The direct blowing mosquito repellent can be used in a closed room and no one is in the field. 2. It is strictly prohibited to stare at the light source for a long time during the work of the product to avoid the stimulation of the light source for the eyes. 3. During use, the mosquito killer should be kept out of the reach of children. Please do not put fingers, metal etc. in it. Objects protrude into the body to avoid accidents. Material: ABS Light output: 5 W. Input: DV 5V-1A. USB cable length: 80 cm. Product size: 20cm x 10cm x 10cm Packaging information: 1 x mosquito repellent. 1 x manual.