The high performance LED T5 solution is designed to work with electronic high-frequency ballast, making it a quick, easy and safe replacement for fluorescent tubes without any rewiring required. 50,000 hours average rated lifetime – last 3 times longer than standard fluorescent tri-phosphor T5 lamps Ideal for factories, parking lots, supermarkets, department stores, schools and offices Available in 1149mm and 1449mm lengths in both HO and HE version. Features the same construction and design as traditional fluorescent lamps - glass housing and metal end-caps, offering an omni-directional light distribution and wide beam angle.