Features: 3800W heating power can quickly heat up, shorten your waiting time, and give you a better experience. It adopts standard 1/2inch water connection port and refined brass material, which can be directly connected to household conventional water pipes joints and faucets metal hoses. The outer cover is made of ABS material, and the inner is made of stainless steel, which can last longer for heat preservation. When the water flowing is turned on, the heaters is automatically energized for heating, and when the water flowing is turned off, the power is automatically turned off. When not in use, it is in the standby state, which saves energy and saves electricity. The temperature is adjusted by the water flowing regulating valves or the tap switch, the temperature is low when the water flowing is large, and the temperature is high when the water flowing is small. The high winter temperature is between 20~50℃. As long as the regulating valves is adjusted to a fixed water flowing, the temperature will be stable every time the faucets is turned on.