● With Expedited shipping, it would take about 5-7 business days for delivery and would charge extra $10. ● With free standard shipping, it would take about 7-12 business days when order amount is over $30.
● Please don't ook at the UV light straightly or the reflected light from the mirror surface may cause your eyes injuried. ● This product is UV sterilizer of UVC and UVA. It has built-in rechargeable lithium batteries. The wave length of UVC is from 275 to 280nm. The wave length of UVA is from 395 to 400nm. ● Ultraviolet sterilization is a physical method, which ultraviolet radiation mainly kill microorganisms (bacteria, viruses, spores and other pathogens) through radiation damage and destruction of nucleic acid functions, thus achieving the purpose of disinfection. ● The effect of ultraviolet radiation on nucleic acid can lead to the breakage of bonds and chains, cross-linking between strands and the formation of photochemical products, etc., which can change the biological activity of DNA, so that microorganisms cannot replicate themselves.