Medium LED works on Battery/USB accessories It is powered either by

It is powered either by batteries or USB

XX-Large Cube (Portrait)

This Medium LED light base is a perfect choice to display the beauty and elegance of a 3D crystal photo

Steady Light Mode

Medium LED works on Battery/USB accessories It is powered either byThis Medium LED light base is a perfect choice to display the beauty and elegance of a 3D crystal photo. With the rectangle design of the light base, your photo is further enhanced. It is powered either by batteries or USB. Make it even more special with your laser etched personal message. Medium LED work on Battery USB Features: Compatibility: Medium Cube (Landscape) Large Cube (Portrait) X Large Cube (Portrait) XX Large Cube (Portrait) Serrated 4" x