About the product:
1.High efficiency wall conjoined sliding structural design, adjust angle freely and convenient to use.
A multi-functional high-sensitivity 5-inch touch electronic display, easy operation.
Three light source output selection: blue, red, purple.
Work time counting function, comes with electronic lock, work time could clear by that lock for user.
In the case of not working, the machine will go to sleep automatically after 60 seconds.