Advantages: 1. Water & electricity heating element are separated for safety purpose. 2. Anti-scale unique design for clean water. 3. Saving your electricity bill for hot water to avoid over heated. 4. No extra device need for existing pipe system. 5. Suitable for the kitch & toilet hot water demand. 6. Max hot water capacity upto 5.5L 7. Way of water inlet: below or side 8. Easy maintance, cleaning the heating pipe inside one in 6months. 9. Hot water temperature: 30-60 degree