Copper heating element‎,‎ can fit to shower head‎,‎  stainless steel + acrylonitrile butadiene styrene plastic‎,‎ 110 V/60 Hz or 220‎-240 V/60 Hz‎,‎ pure copper without lead‎,‎ with temperature display screen‎,‎ water pressure working ranges 0.04‎-0.6 MPa‎,‎ flow of hot water 2‎-2.5 L/minute‎,‎ hot water temperature adjustable up to 30 to 60°C‎,‎ waterproof IPX 4‎,‎ over‎-heat protection‎,‎ electric leakage protection‎,‎ double safety‎,‎ instant heating‎,‎ convenient for use‎,‎ 360° comprehensive free rotation‎,‎ long lifespan over 10‎,‎000 hours‎,‎ diameter of the inlet heating pipe 11 mm ‎.‎