... Power frequency:50Hz (60Hz) Rated power BT9002 electric hot water tap , instant hot water tap ,electric instant water heater tap,Electric ... switch, the power will be connected automatically, within five seconds hot water will outflow, very fast, easy to use, avoid ... reduce 50%.6. Convenient and comfortablewithin 5 seconds repid outflow hot water, water temperature remain constant; nozzle can be rotated ...