+Self-checking four-fold protection: 

The whole machine adopts fault self-checking protection procedures; over-temperature, over-pressure, leakage protection, and out-of-guard four protections, safe guarding bathing life.

+ Oxygen-free copper heat exchanger: 

Oxygen-free copper contains more than 99.9% copper, high-efficiency heat exchange, corrosion resistance, and escort for hot water supply.

+ 30-60°C wide-frequency temperature adjustment: 

30-60°C wide-frequency adjustable, constant temperature effect ±1°C, meeting the bathing needs of different temperatures.

+Low water volume start (2.5~3L/min): 

To meet the needs of users with low water pressure, adapt to different floors, and have a wider scope of application."

+Intensified combustion fire row: 

Fully enclosed combustion chamber, segmented combustion, energy saving and gas saving; the minimum fire temperature rise is within 5K, and the water is not hot in summer.

+ 20-minute timer shutdown function: 

Built-in timer function, default 20min timer shutdown reminder, can also be adjusted independently, it is safer to use.

+ 54dB ultra-quiet: 

The silent structure design of the burner and fan, 54dB noise when the whole machine is burning at the maximum fire, enjoy every moment of quiet life.