The Rheem RETEX-13 Electric Tankless Water Heater Point-of-Use is a compact and efficient water heating solution for indoor use. With a power source of corded electric, this tankless water heater boasts a heating system that provides instantaneous hot water, making it ideal for use in various residential and commercial settings. The unit features a digital display, adjustable thermostat, and a copper tank lining for durability. Perfect for adjustable temperature control and energy savings, this tankless water heater from Rheem is a reliable choice for water heating needs.