Barrina T8 T10 T12 LED Light Tube, 4ft, 24W 2500Lm, 6000K Super Bright White, Dual-End Powered, Frosted Cover, G13, T8 T10 T12 Fluorescent Light Tubes Replacement, 8-pack 40% brighter than the standard 18 Watt LED bulbs, Save 60% on your electricity bill No buzzing ballasts, no flickering, no mercury or hazardous materials, no UV or IR radiation Easy Installation, just remove or bypass the starter and ballast before installation 6000K super bright white to enhance the environment with fresh and bright atmosphere Normal service life of 50,000+ rated hours ( lasts up to 10x longer than conventional lighting ) Barrina 4FT LED Light Tube uses high grade SMD chips and components to ensure reliability and efficient heat dissipation. It provides you much brighter, cheaper and healthier lighting than conventional fluorescent lights. 8 units LED T8 Light Tube with 6000K Length: 48&#039;&#039;(4ft) Power: 24W CCT: 6000K Beam Angle: 160 degrees Luminous Flux: 100-110lm per watt Color Rendering Index(CRI): 85 Lamp Power Factor: 0.95 Input Voltage: AC85~277V Texture of Material: Top quality Aluminum &amp; superior PC Highly efficient 100~110 lumens output per watt. Low power consumption and low thermal output. Frosted cover for anti-glare eye protection. Rugged steel housing for durability and good cooling. Lower maintenance costs compared to existing lighting. Long life span: 50000 hours - lasts up to 10x longer than conventional lighting. garage, offices, plazas, hospitals, hotels, subways, terminal buildings, schools, supermarkets.