... apply ( for example CE/E4/EMC etc.) Feature1.Mini portable,light weight,environmental protection ,leading fashion trend.2.Luxurious ... . Streamline design, Metallic simple sense operation board , Intelligent digital control, these all show the high quality of VKOOL. 3 ... key , fluctuation turn key , every operation will show on digital tube. More over, fast response speed, always sample temperature , ...