5Star Lights T8 LED Light Tube 20W(60W equivalent), 6000K Daylight, ETL Listed with LED flashlight, Dual-ended Power, 4ft. 2300 Lumen Energy Saving Fluorescent Tube Replacement, (Single Pack, Daylight White) Bulb Type: T8 T10 48" LED tube 20W Daylight White 6000-6500k. ETL Classified. Professional Grade. Conforms to UL. Certified to CSA STD. High efficiency (100-120 lumen per watt). Energy Saving. High Efficient Output. Save 80% on electricity bill of lighting comparing with traditional fluorescent light Dual-ended Power. Remove Starter/Bypass Ballast. Not necessary to replace lampholder. Then Plug in and light on right away. No extra replacement parts needed. Replaces 60W traditional fluorescent light tube. Easy Installation. International standard shape for replacing traditional T8 T10 fluorescent tube light All packages includes Free Professional Grade LED Flashlight. (Please Check both ends of outer tube for flash light!) Environmentally friendly. No buzzing ballasts. No mercury or hazardous materials. 50K Hour LED Life. 5-Year Warranty. This limited warranty does not cover bulbs subject to accident, neglect, abuse and misuse. The light bulbs can be widely used at hospitals, medical centers, offices, warehouses, supermarkets and all kinds of locations.