Features:  -Mini instant hot water heater suitable for kitchen and bathroom.  -it can set 30℃-25℃ water temperature, automatic constant water temperature.  -The turbine heat non-metal heating, so you can use the hot water as you like.  -3500W/5500W output electric water heater eliminates long time waiting.  -Constant temperature, maintains the most comfortable water temperature for you.  -Save space,easy to install under the bathroom or kitchen sink.  -0 degree water in and out about 20 degree, while 15 degree water in, it outs about 30 degree hot water.     Specification:  Water Heater with the Plug.  Material: Plastic.  Rating Power: 3.5KW.  Power: 16A.  Power Pressure: 0.03-0.6Mpa.  Water Temperature: 30℃-25℃.  Size: 3.4*0.9in.  Rated frequency: 50Hz.  Voltage: AC220V.  Waterproof: IPX4.     NOTE:  1.This product voltage is 220V.  while US voltage is 110V, does not meet the requirements.  If you want to use it in USA, it needs a voltage Transformer.  2. The Plug need to be assemble by you or the professional.  3. Please read the manual carefully,If you have any problems about the product, you can tell us. We will try our best to solve the problem.     Package Contents:  1 x Water Heater(not included hose&shower head).  1x Terminal block/The Plug.  1x Manual