1. There is only white color or warm white color,not 7 colors

2. Switch button: Press one time, it light up, press it again, it turns off. 

3. Coming with USB power cable, you can use your home adapter connecting it to your home power socket or computer USB port.

4. Energy saving. Power spend: 0.012kw.h/24 hours; LED life span: 10000hours

5. 3D vision effect, especially in the dark or take a photograph, the vision thrill will be strong!

6.PMMA acrylic is not glass, the whole board is solid acrylic material. Strong, hard, high toughness, not fragile, will not hurt the child; Laser engraving technology never fade.

7.Very low heat-conductive, will not be hot after long time working,Soft warm light, will not hurt eyes.