1. Type: 2U/3U/4U/H&F Spiral Series.2. Average Lifetime: 3000h-8000h.3. Color temperature: 2700K-6400K.4. Specification (Tube Dia.): 12mm&9mm5. Material: Halogen Powder & Mix Powder (Halogen + Tri-color phosphor) & Pure Tri-color phosphor 6. Base type: E14, E26, E27, B22, B40.7. Wattage: 5-250w.8. Voltage & Frequency: 110-240V/50~60HZ.9. Temperature range: -10oC - 40oC.10. Characteristic: Quick start, No flash, Soft light.