VOLT: 100, 110, 120, 220, 230, 240V WATT: 50-2500W - HZ: 50-60 HZElectricity saving ratio: 30% ... Parameters: VOLT: 100, 110, 120, 220, 230, 240V WATT: 50-2500W HZ: 50-60 HZ Electricity saving ratio: 30 ... Celsius degree Surface temperature: 500-900 Celsius degree Continuous servicing hour: 6,000-8,000H 3. Application Area: - Health care ... voltage, power, size, length etc. Carbon Quartz Heating Lamp tube