This is a high-efficiency Instant warm Hot water heater with a small size and can produce hot water quickly, save electricity, save water, no pollution, no exhaust gas. With LED indicator, the water temperature can be adjusted freely through the water flow, and the operation is simple and convenient. This water heater is very safe and intelligent. It will stop heating when there is no water flow. It will automatically power off in 0.1 seconds to provide leakage protection. This water heater is widely used in bathrooms, dormitories, kitchens, hair salons, hotels, etc.