Aura OptiT5 Long Life is a highly efficient LED T5 retrofit light source that delivers excellent energy efficiency and high quality of light, It is intended to be used as a quick solution to save energy in existing luminaire installations replacing T5 fluorescent tubes operated by electronic ballasts. LED technology. Aura OptiT5 Long Life gives you energy saving lighting today without expensive installation costs. Aura OptiT5 Long Life is especially suitable for cold applications or applications with high switching frequencies. It offers outstanding thermal and electrical design features making it a reliable product designed for Long Life. The Aura OptiT5 Long Life tube is backed by a 5-year guarantee. Aura OptiT5 Long Life - when you want an easy installation and change to high quality LED.