* A trio-location switch can transform the cooled-laminating and the heated -laminating *The temperature is regulated, you can choose different grades with the change of the laminatingvelums thickneess * Adapt the carbonic-fiber to glow * No more than 30 minutes use it, or please turn off it for 5-10 minutes * Warm up time:2-3 minutes * Red light indicates powerdirector, green light indicates working light * Got UL approval