[material]: We use 304 food grade stainless steel as the main material to ensure you have healthy drinking water. Stainless steel electric hot plate for efficient heating. Glass lid. ✅double layer anti-scalding,clear water level indicator line,30-110 degree adjustable temperature, overheating protection against dry burning, and corrosion resistance and oxidation resistance ✅[Indicator]: Red heating, green represents heating completed and keep warm,plugging can continue to keep warm, and it will still keep more than 50 degrees for 5 hours under power failure. ✅[Temperature Regulator]: Use a simple thermostatic tea bucket to choose the ideal temperature between 30-110 ℃, which is very suitable for restaurants, offices, kitchens, beverage shops, cafes, etc. ✅ A real insulation boiling water bucket, suitable for boiling water, soy milk insulation, milk tea insulation, can also store beverages, juices, soy milk, coffee and other drinks