carbon quartz heaters and carbon fiber quartz haater VOLT: 100, 110, 120, 220, 230, 240V - WATT: 50-10,000W - HZ: 50-60 HZ carbon quartz heaters and carbon fiber quartz heater Highlights: - FIR therapeutic function - Energy Saving with electricity-heat transformation rate reaching 98% - Environmental protecting and safe with dim light and no UV radiation - Above 8, 000 hours of serving life2. ...