Three-in-one multi-function cleaner, small for home use and easy to carry. It can be used for cleaning glasses, contact lenses and other small items. A multifunctional three-purpose small screwdriver is attached to the shell, which can be used to adjust the screw tightness of the frame. Small in size and light in weight, it is a must for home office. You need to bring 2 AA batteries. The box comes with a contact lens cleaning box, which can be installed to clean the contact lenses. Size is about: 75*164mm. Daily necessities