Black plastic 7 color change LED decorative table 3D night light base. Compatible with 1/8" acrylic (acrylic plate not included). Device can be powered with 3AAA batteries or included USB cord. Press the touch button on the base to choose between 7 colors (red, green, yellow, blue, violet, cyan or white). LED life is about 10,000 hours. Slot for acrylic plate is approximately .7" deep and 2.78" wide. Set GF material to medium clear acrylic and use recommended settings of 545/70/270 to engrave and 157/FULL to cut