(1) Large screen temperature indication with heating indicator light, working status at a glance. (2) Microcomputer control, heating and insulation automatic control. (3) The inner liner is made of high-quality steel plate and equipped with a liner protection device, which is anti-corrosion and pressure-resistant and durable. (4) It has multiple safety protection functions such as leakage protection, anti-dry protection, over-temperature protection, over-pressure protection, and leakage warning. (5) The insulation layer is foamed with thickened polyurethane, which has good heat preservation effect and saves energy. (6) It has a wide range of water pressure and large capacity, and can be used for water at the same time.