Check the listing for details. 3KW Tankless Electric Hot Water Heater Instant Boiler On Demand Whole House NEW. Color: Black, Condition: New, Made in China. Listed at 54.09 USD. Features: 1. With temperature display, it can display the water temperature in real time, and the operation is simple and convenient. 2. The body has touch-screen buttons to adjust the temperature. The temperature range is 28-55 ℃, and the temperature can also be set by remote control. 3. The inner liner is an aluminum casting heating body, with memory function, which can heat quickly, save electricity, water and have stable performance. 4. Mini instant water heater, made of high quality materials, is durable, wear-resistant, corrosion-resistant and can be used for a long time. 5. Built in real-time chip monitoring, with anti leakage protection, support post and shutdown protection functions. 6. This heater does not need to be preheated, and uses water and electricity separation to heat,.