3800W Mini Electric Tankless Instant Hot Water Heater Bathroom Kitchen Washing Black Features: This is a water heater for the application of changing the cold water into hot water and it will meet your various needs such as used in kitchen, bath room, public restroom, etc. It is a high efficient water heater with compact size to produce the hot water very quickly. LCD digital temperature display. Freely adjust water temperature by water flow, simple operation. Safe heater, electricity saving, water saving, no pollution, no exhaust gas. Stainless and ABS construction with mini design, it is durable, elegant and fashionable. Specifications: Material: ABS (Shell) + Stainless Steel(Heating Body) Color: Black, Red, Golden (Optional) Power: 3800WFrequency: 50Hz Current: 17A Waterproof Grade: IP x 4Electric Shock Protection Class: 1 ClassThe Resistivity of Water: ≥1100Ω.cm Installation wire diameter:≥ 2.5mm² copper wire Water pipe interface: G 1/2" interface Size: 10 x 6.5 x 20 cm / 3.94 x 2.56 x 7.87 inch (appr.)  The power of the water heater is constant at 3800W. Only the water flow size and the inlet water temperature can change the water temperature. The larger the water flow, the lower the outlet water temperature. The higher the inlet water temperature, the higher the outlet water temperature, and vice versa. The size of the incoming water flow and the incoming water temperature are different for each customer, and the effect is different. Package Included: 1 x Water Heater 2 x Fixing Screws 2 x Screws Protector 1 x Manual Note:The circuit breaker switch needs to meet the fuse greater than 32A. 1. Please note this item should get the water first and then link the electricity when installing. 2. You'd better install this item vertically to guarantee long service time. 3. Please kindly make a note if you need any adapter. 4. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.5. About incoming and outgoing water volume problem, the heating function cannot be turned on when the water pressure is too low, and the hot water is just available when the water pressure is too high and the water output is small.