Stainless steel tank: The water tank is made of stainless steel and has a faucet sterilization system.  Hot and cold water: The purifier has two separate knobs for hot and cold water.  Tank capacity:  The tank has a capacity of 5.2 liters, which is enough for up to eight people.  Auto sterilization:  The purifier has an auto sterilization function that protects the system from bacteria and contaminants.  Outlet space:   The purifier has a 21 centimeter tall space for filling water bottles and tumblers.  Child safety lock:  The purifier has a child safety lock.  Filtration system:  The purifier has a 6-stage nano positive filtration system.