This product is a hand-held sterilizer that is portable and easy to operate.The Sterilization rate can rech 99.9%.The product kills bacteris through the altraviolet rays emitted by UVC-LED lamp beads,and cares for the environmental hygiene. Suitable for disinfecting the surface of objects.Such as masks,mobile phones,computer keyboards,sofas,bed sheets,baby toys,cushion light surface. This product has a build-in gravity sensor switch,which automatically stops working after the product is turned over.