toggled A-series T8 / T12 LED Light Tube Lamp, 2ft (24in), 11W, 4000K (Cool White), Simple Ballast Bypass Installation Save Energy, Save Money: Cut lighting energy costs by 40-70% over fluorescent lighting. Energy credit (rebate) eligible. Commercial-grade Design: UL classified, 50,000 hour lifetime rating, shatterproof, and 5-year warranty delivers years of problem-free operation. (110-277 VAC, 11W) Bypass the Ballast and Hassle: Eliminate ballast energy use, noise, flicker, failure and replacement costs. Simple rewiring required (minutes), step-by-step instructions. Designed & Engineered in USA: Headquartered in Troy Mich., toggled is at the forefront of highly engineered LED lighting with 90+ patents. Indoor & Damp Environments/Cold Instant Start: Offices, healthcare, industrial, retail, schools, refrigeration, warehouses, kitchens, basements, garages, outbuildings.