... 10-15$ 36watt Gel Curing UV Lamp,gel curing uv lamp,nail uv lamp,uv curing lamp,nail lamp,uv germicidal lamp,nail care, ... the power Switch to OFF or "O", the machine stop working.5, When the Delay Switch at " ... "O", the power closed and 120S/ the machine stop working Instructions 1, Please accord the rated ... to sweep the dirty in the surface of machine. Please pay attention to close the power switch ...