[USEFUL HOT WATER HEATING] Fast heating in 3 seconds, no waiting, no water storage, no preheating, energy saving, environmental protection and high thermal efficiency.[DURABLE MATERIAL] Made of high quality stainless steel and copper materials, it has high hardness, wear resistance and durability, is not easy to be damaged and has a long service life.[SAFE TO USE] It has multiple protection features such as leakage, dry burning, water and electricity isolation, and it will automatically turn off the electricity when overheated.[ADJUSTABLE DESGIN] The water flow sensor can be sensitive to changes in the water pressure and operate normally even if the water pressure is only 0.04 MPa.Specification:EU AC220-240v 3500wItem Type: Water HeaterFrequency: 50-60 HzUse water temperature: 35-55 Cable specification: 4 mm copper core wireUse water pressure: 0.04-1.2 MPaWater resistance: IPX4Control mode: Fixed frequencyApproximate weight. 1490 gSize: Approx. 29 x 19 x 8 cm / 11.4 x 7.5 x 3.1 inchesPlug Type: EU Plug, it applies to Indonesia, Germany, France, Spain, Italy and so on.Colour: blackMaterial: stainless steel + copperPackage Contents:1 x water heater2 x screws2 x expansion tubes1 x English manualOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.