About This 【Single/Double End Powered】Balancing easy retrofitting and peak performance, our 4ft LED tubes feature a dual/single-end compatible design. 【Type A+B & Hassle-Free Upgrade】 Choose Plug & Play (use old ballast) or Direct Wire (bypass ballast). Ideal replacement for F32T8/F40T12 fixtures. No rewiring needed! Spring-loaded G13 bi-pin ends secure tightly in holders. 【Daylight Brightness】 5000K True Daylight, crisp 2400LM output ideal for your space. Help reduce eye strain and increase visibility in office, classroom, hospital, warehouse and garage etc. 【High Efficient & Energy Saving】 Saves 60% energy vs fluorescent tubes: 18W=40W equivalent, cutting lighting bills by over 50%. 【Long-Lasting Performance】 Constructed with high-quality LED chips and durable aluminum housing, these tubes boast an exceptional 50,000+ hour rated lifespan, reducing frequent replacements and associated costs. 【Quality Assurance】 Backed by Romwish's 3-year unlimited warranty, these LED tubes offer peace of mind and a commitment to customer satisfaction. Overview Brand : Romwish Light Type : LED Special Feature : Energy Efficient Wattage : 18 watts Bulb Shape Size : T8