... ) Delivery:Prompt 4) Service :Comprehensive and best E27 high power warm white LED bulbSpecification: 1,Base type: E27,E14,MR16,GU10 2 ... power led. 6,Luminous flux: white: 350 lm, warm white:280 lm. 7,Color temperature: white:5600-7200K, warm white:2800-3500K. 8,Operating Temperature: -20 ...