This Bosch Greentherm T9800 SE199 tankless water heater is a high-quality, reliable unit that will provide you with instantaneous hot water on demand. It is powered by LP (Liquefied Petroleum Gas), propane liquid, and NG (Natural Gas), and has a voltage of 120 V. The heating system is instantaneous, which means that it heats up quickly and efficiently. The water temperature range of this tankless water heater is from 82°F to 130°F, and it comes with a digital display, variable temperature, remote control, smart connectivity, and is vented. Additionally, it has a programmable feature and is compatible with wall and indoor mounting locations. This tankless water heater is a great addition to any home or business, and it will provide you with a comfortable and convenient hot water experience.