Properties & Technical parameter: No.:HR-T8-18W-12T Luminus Flux: 1500lm-1800lm10©‡ Beam Angle:120 Working voltage: AC85-265V/AC277V Frequency: 50-60Hz Power Factor(PF): 0.95 Power Efficiency: >90% LED Consumption: 18W Luminous efficiency: 90lm/W Color Temperature: 3000-7000Koptional Color Rendering Index(CRI): 75 LED Brand: Cree or Taiwan optional LED Qty: 288pcs 3528 SMD Working Temperature: -20 to +40deg Working Humidity: 10%-90% Storage Temperature:- 20 to +40deg Light housing materials: Aluminum +PC Net Weight: 405g Lifespan: 50,000H. Gift box.