Stiebel Eltron DEL 18/21/24 Plus Comfort Instantaneous Water Heater with electronic closed-loop control. This series with 3i technology leads the way in terms of high hot water convenience. With its wide range of features, such as a backlit multifunction display, temperature memory, childproofing and ECO mode, this appliance boosts convenience levels for you in a multitude of ways. The energy and water saving ECO mode limits the maximum flow rate. You benefit from a constant supply of hot water, even at low inlet temperatures. And you reduce your water consumption without compromising on convenience. With the optional wireless remote control, you can very conveniently control your instantaneous water heater from a distance. Rated voltage: 380 volt. Rated output: 18/21/24 kW. IP rating: IP25. Energy efficiency class: A. Frequency: 50/60 Hz. It comes in Gold color.