This is a vacuum cleaner with UV lamp and punching function. The wavelength of the UV is 253.7nm which can kills germs, viruses, microbes, dust mite, etc., and the vacuum will suck the dead bodies of dust mites with the dust. It will create a healthy and comfortable living environment for your daily life. 

Features 
1. Efficient UV-C ultra violet quartz glass lamp 
2. Powerful vacuum, medical grade high efficiency filter. 
3. Light to hand held 
4. Two safety wheels and inside metal ball switch to protect being hurt by UV light. 
5. Hot air from bottom to dry bed sheet.