1.Constant temperature heating, preset heating, water temperature display and setting
2. Three surfing pumps, one circulation water pump, one blower
3. Multiple lights synchronous discoloration and fixed bottom lights color and ozone
4. CD audio input, radio frequency display, and can store 10 channels.
5. 87 class volume adjustment with volume display.
6. Long circulation cleaning.
7. 24 hours clock display and setting.
8. All the parameters with power off memories.
9. Fahrenheit temperature and Celsius temperature switching
10. Anti-freezing
11. Buttons backlighting
12. Key lock
13. Three-phase or single-phase, can choose 110-120VAC or 220-240VAC.
14. When "CD" works, can choose one way AC power output for DVD player or TV
15. Three kinds of power control modes.