Easy Operation: The ECOTINYMACH 110V tankless water heater electric is designed for user-friendly and effortless operation, making your life easier and more comfortable. Instant Hot Water: Say goodbye to the waiting time for hot water. With this tankless water heater, you can enjoy hot water anytime, anywhere at your home. Fahrenheit and Celsius Conversion: Featuring seamless conversion between Fahrenheit and Celsius, this water heater lets you choose the unit of measure that you're comfortable with. Energy Saving: The ECOTINYMACH 110V electric tankless water heater only operates when hot water is needed, reducing energy consumption and saving on your electricity bill. Installation instructions: Wire requires 6mm ² (9AWG), circuit breaker ≥ 60AMP, thread size: 1/2 "NPT, please contact a person with an electrical license to help you complete the wire connection.