[Upgrade version] The latest UV lamp of 365UV Ziguang has a longer service life. It is a physical , a high-efficiency with UV bulbs, which attract to the power grid and kill them through 1000V high voltage. Ideal for bedroom, living room, kitchen, office, hotel or any place indoors. It works best when turned on three hours before going to bed, 60 hours standby [Night light mode] Sleep is not , this machine does not use any chemicals or pesticides, no noise, ultra quiet, very suitable for families with or children and pregnant women. [Easy to use and clean] You just need to insert it and it can work for you immediately. When it starts to kill the i, the dead i will fall into the collection tray at the bottom of the device. This tray is completely detachable for easy cleaning. [Portable and multifunctional] It can be used on a flat surface, or hung on the ceiling and wall with a hook.