!! WARM TIP !! <br>1) Smoke may appear the initial start up due to the the burning of manufacturing oils. The smoke should disappear in less than a minute.<br> 2) Before use, please follow the safety instructions on the first page and second page of the manual.<br> 3) Please do not toss the heat gun at work under running water, so as not to be scalded by the high-temperature steam. <br>If you are in the course of any problems, such as stop heating, stop working or smoke, please feel free to contact us and we will do our best to serve you.<br>