Ⓐ NOTICE Before PURCHASE: The water heater need a larger than 32 amps circuit breaker; the outlet water temperature won’t very hot because the water heater just 3KW, so it can’t be used to bath or wash hair, it can be use to wash hand or use in kitchen. If it doesn’t meet your require, PLEASE DON’T BUY. Ⓑ SIMPLE OPERATION: Freely adjust water temperature by water flow, simple operation, you can enjoy hot water all-weather without wait. PLEASE KINDLY check the third picture which show the water flow spped and water temp.(test data) Ⓒ SAFE USE: Safe heater, electricity saving, water saving, no pollution, no exhaust gas, LCD digital temperature display(℃). In order to ensure safe use, all current and voltage power problems are strictly tested to ensure product safety before leaving the factory. Ⓓ HIGH QUALITY MATERIAL: Stainless construction with mini design, the connter is made of brass, the tankless water heater is durable and portable. Ⓔ APPLICATION: This is a water heater for the application of changing the cold water instant into hot water and it will meet your various needs such as used in kitchen, bath room, public restroom, etc.