It is easy to port and fix for the small and pretty volume. Streamline outward, temperature of LCD microcomputer screen display, time display, dynamic work display, and several wattage levels display. It comes from the advanced computer control system for the functions such as the automatic constant temperature control, temperature-exceeding warning system, free wattage adjusting system. The temperature could be adjusted by changing the wattage level and flow rate. Without waiting, it can provide continuous hot water of 30-60 degree in only 10 seconds. It could be used not only in kitchen for washing, but also in bathroom for shower. It is really a helpful assistant in your daily life. It has the protections of high-temperature, departing water and electricity, power-leaking, and electricity-guard lock which has self-examine and self-lock function. When the electricity leaks, it can cut the power immediately itself. When there is something wrong with the circuit or the protection system, it can cut the power by self-examine system to keep safe. It has the separating-electricity wall for special which could keep safe at any case. It is the safest product in the world.