Features:  Glass sealed  High temperature proof, high steady and tried  Easy to automatic plug-in Application range:  It can be used in electric cooker, electronic oven, disinfector, induction cooker, water fountain and dishwasher etc. for household appliacnce.  It can be used in temperature test for chemical equipment.  It can be used in baker for food manufacture equipment.  It can be used in mobile cell and charger etc. for telecommunication