... 110V 1000HZ).(6) Lifetime: 6000-7000 hours(100V ,1KHz)(7) Working temperature: -20°C~+70°C.(8) Relative humidity ... core":(1) Diameter:0.9mm,1.3mm,2.3mm,3.2mm,5.0mm.(2) Main colors:Red, Lemon, Aqua, Orange ... China Invention Patent No.: ZL 03 1 40836.2(3) Diversified diameters and colors.Basic diameter:0.9mm/ ... 1.3mm/2.3mm/3.2mm/5.0mmMain colors:Red, Lemon, Aqua, ...