Characteristics and Applications: Spiral shape in design, has excellent Luminous output. Advanced electronic circuit to ensure long life. It is the ideal lighting source for the broad room. The lamp life is 8 times longer than incandescent lamps. More efficicent in energy saving. Applications: residences, offices, restaurants, hotels, shops. Item:S1851 Watts (W):45W/55W/65W Lumen (Lm):2524Lm/3180Lm/3757Lm CRI (Ra) ≥82 Lifespan (H):6000H-10000H