AmazonBasics Commercial Grade LED Tube Light, 5000K, 14W T8/T10/T12 Compatible, Ballast Bypass, Daylight, 4-Foot, 24-PackSize:24 Pack | Color:Daylight This Basics 24-Pack of LED tube lights offers a bright and energy efficient replacement to 4 foot long fluorescent T8, T10 and T12 lights. This LED tube gives off daylight white light creating an energizing atmosphere for any room. This model offers easy ballast bypass installation. This direct wire solution eliminates ballast compatibility concerns, ballast maintenance and ballast energy consumption. A guide to the simple installation and wiring procedure is found in the images of this page. These bulbs accept input voltage ranging from 120-277 volts and have a Color Rendering Index of 82 CRI.