Parameters:
Broad spectrum: 430~490nm(Blue light);
                         620~640nm(Red light);
                         380~400nm(Purple light)
Voltage: AC:100V~240V
Light source: 4~5W/pc(Blue light);
                    2~3W/pc(Red light);
                    1W(Purple light)
Screen: 5 inch touch electronic display 
Feature: Work time counting function 
             three kinds of colors: blue, red, purple
Gross Weight: 7.5KG
Package size: 22cm*47cm*70cm