1800W & Heat Sink1800W high power design with the heat sink can effectively dissipate heat during the working process prolong the service life of the machine. 2 Wind SpeedsWine bottle cap heat shrinking machine has 2 wind speeds I: corresponding to the air volume of 190-210l/min the temperature range of 50-300 II: corresponding to the air speed of 310-350l/min the temperature range of 50-500 . You can adjust the wind speed according to the different uses. 50MM Heating TubeThe heating tube is made of stainless steel the product is suitable for heat-shrinkable caps with the diameter of less than 50mm and you can flexibly adjust the temperature and the speed to meet the heat-shrinkable cap requirements of different products. 6-stop Temperature& Non-Slip HandleYou can choose the temperature by sliding the temperature knob on the back cover the temperature range is 50-500. And the handle is ergonomically engineered for a comfortable grip and easier operation.