Redtag Lighting&reg; T8 LED Tube Light Bar 85-265V 20W 1980LM 120CM / 4 Ft Natural White 4100K no ballast No buzzing ballasts Environment friendly, no mercury or hazardous materials LED Quantity: 20Watt Ultra Bright Natural White 4100K Dimension:30*1200mm or 1-1/8" x 47-1/4" Life Span:50,000 Hrs