Luxrite 3CCT Universal T8 LED Tube Lights - Convenience is important when lighting your space and these LED tube lights make it easy to find the right color by having a selectable color temperature switch. Adjust between 3500K natural white, 4000K cool white, and 5000K bright white until you know which is the perfect fit for you. Replace your out-dated fluorescent tube lights with a 4FT T8 light bulb which features a quick plug and play feature that works with your existing electrical ballast or ballast bypass set up in either a single-end or double-end install. These lights have such an extensive list of compatible ballasts and variety of setups that they are able to be used in that you will not need to worry if they will work with your existing light fixtures. Just put these t8 tube lights into your ceiling light fixtures and you will have bright, vivid light at only a fraction of the energy used from traditional tube lights. The ideal replacement to 32 watt fluorescent light tubes which cut costs to your energy bill and are ideal for use in your shop, garage, workshop, office, basement, indoor, outdoor, or anywhere in your home requiring tube light bulbs. Each tube bulb is quick to install, damp location rated, comes UL listed and UL classified for your safety, DLC listed for reliability, works with existing ballasts, works in direct wire ballast bypass single end or dual end installations, is g13 2-pin base, and backed by a 5 YEAR WARRANTY.