Dbmier Multifunction Holder Rotate in 360&deg; Adjusting 9 Angle Points Skidding Prevented Stander for Dbmier Tracing Light Table LED Light Box- Black Be easy to catch the screen be hard to tired for the hands good posture ADJUSTING 7 ANGLE POINTS Easy to catch the screen, convenient and comfortable to input. Angle among 10 degrees and 16 degrees can be adjusted the max height can be adjusted to 6CM ROTATING IN 360 DEGREES Can be convoluted without holding the light box/notebook HEAT DISPERSION EFFECT Make sure the air is flowing to create thecomfortable life rhythm of the light box/notebook Perfect heat disoersion when enjoying DVD SKIDDING PREVENTED Be unawerd of cutting of the electricity at any time for good heat dispersion. Anti-skid device is installed to avoid skidding in the course of using