The larger the objective lens

Working with 4 AA batteries

the living room

It only needs to be cleaned with a brush or sponge

Laptop Stand Aluminum Alloy 360 Degree Rotating Bracket Sport & Outdoor The larger the objective lensFEATURES: Elevate your work: This laptop stand is fully adjustable in terms of height and angle; you may elevate the laptop screen height freely up or down for improved ergonomics and to reduce neck discomfort. 360 Rotatable Design: 360 all round rotation, easy to change the angle of the laptop stand, at any time to turn to deal with different occasions need the angle, and the sound issued by the rotation of the stand is very decompression. Foldable