Heated by stainless steel plate Three protection devices for safe: Shut off power automatically when boiling Protect for heating of no water Protect for over hot Specially steam reaction device Concealed-heating by stainless steel plate 360 degree circular cordless base Double-side scale for seeing water in cup Hinged locking lid High quality brand KSD temperature control Rated voltage: 220V Rated Frequency:50Hz Rated Power: 1500W Capacity: 1.5L Certificate of quality inspect: CCC Afford capacity: 1-80,000 pcs/monthly