Detailed Product Description We can do the heating lamp as the buyer need:Features: 1) Power: 500-6000W 2) Operation voltage: 120V, 220V,230V,240V,3) Diameter: 10 - 20mm4) Length: 100 - 38000mm5) Lifetime: 5,000 - 8,000hrs6) Color temperature: 1,200 - 1,500k7) Wavelength: 3 - 1,000um8) Adopts quartz glass tubing please feel free contact me if you are you any question .