Key Features Ready-to-Use: With a 5500W high-power and instant hot cast aluminum heater, it can provide you with hot water in a short time without waiting for preheating to meet your family's hot water needs. Powerful Feature: It is suitable for water pressure of 0.04-0.6mpa, so it can work stably even under low water pressure, and you don't have to worry about not having enough water on high floors or during peak water usage. Adjustable Power: It has four power gears: P1,P2,P3,and P4. The intelligent frequency conversion chip will automatically adjust the heating power according to the temperature of the four seasons. Meanwhile, you can choose to set the power yourself. High Safety: This tankless mini water heater has many protection functions, such as an anti-leakage protection device, anti-dry burning, water and electricity separation, grounding protection, over-voltage protection, over-temperature protection, and fault self-inspection. These features will enable you to use it more securely. Thermostat Function: It has a thermostat function that prevents the water from getting too cold or too hot, allowing you to set the temperature in the right range. It will continuously and intelligently maintain the water temperature at the set temperature for your use. Convenient to Use: This tankless mini water heater is equipped with a touch control panel and an LED display, allowing you to easily control through an easy-to-use touch screen or remote control. It also has a power failure memory function, so you do not need to reset it. In addition, its display can be switched to Fahrenheit, providing you with convenient use. Durable Material: It is made of high-quality ABS and glass material, with a protection grade of IPX4, and its inlet and outlet are made of high-quality brass, which is rust-proof, heat-resistant, and pollution-free, so you can use it with confidence. Application It is suitable for the shower, dishwashing, clothes washing, face washing, hand washing, hairdressing, etc. And it is suitable for kitchens, bathrooms, restaurants, hotels, etc.  How to Change Gears 1.Press the power key/power off key (the default mode for power on is frequency conversion mode) 2.Then long press the shutdown button for 6 seconds 3.The display screen shows P4, which can be adjusted by pressing the "down" key. P1,P2,P3,P4 represent four gears, with each gear approximately 1300w. 4.It can return to frequency conversion mode by long pressing for 6 seconds. Specifications Color: Black Body, Black Screen Material: ABS+Glass Shell, Aluminum Casting Heater Mounting Type: Wall-mounted Control Mode: Touch Control, Remote Control Installation Environment Requirements: Circuit Breaker Switch ＞ 40A, Wire Requirements: ≥ 2.5mm ² Copper Core Wire, Air Switch ≥ 32A, Standard 1/2 Interface Temperature Range: 28-55 ℃/82.4-131 ℉ Automatic Power-off Protection Temperature: 60 ℃/140 ℉ Applicable Water Pressure: 0.04-0.6 mpa Waterproof Grade: IPX4 Flow Rate: (Generally Within) 0-5L/min Five Gear Power Adjustable: 1100W, 2200W, 3300W, 4400W, 5500W Nominal Plug: 220V(Without Plug) Power: 5500W Remote Control Battery: 2 * AAA Batteries (Not Included) Product Size: 21*15*5.5cm/ 8.26*5.90*2.16in Package Size: 26.5*25*9.5cm/ 10.43*9.84*3.74in Net Weight: 1.5kg/ 3.31lbs Gross Weight: 1.65kg/ 3.64lbs Package Included 1* Mini Electric Water Heater 1* Remote Control 1* Positioning Ruler 1* English Instruction All Needed Accessories Notes 1.Please note that the water outflow depends on the water flow of tap water, and the water heater will not affect the water outflow of tap water. 2.Please note that this product cannot be installed without a ground wire. 3.To ensure product quality, each piece of equipment will be subject to a water heating test before delivery packaging. It is normal that a small number of watermarks may remain at the water inlet/outlet and packaging of the equipment, which is not a quality problem. 4.During installation, please connect water and then electricity, and ensure that the water pressure is between 0.04-0.6MPa and the room temperature is above 0 ℃. The pipeline shall be arranged in a centralized way, and the hot water outlet shall not be too far away from the hot water electricity. Please install the power switch in the water and do not touch the cabinet. 5.It is better to install this item vertically to ensure a long usage time. 6.Please note that this product does not contain remote-control batteries. Please prepare two AAA batteries before use.