KLS Martin marLED E15/E9i | The New Definition of Light. Sturdy, stable and powerful, the marLED can be used off the grid for up to eight hours. The light series satisfies the highest hygienic requirements and impress with its excellent performance ratio. Superior color for reliable assessment of the biological tissue characteristics provides outstanding laminar flow performance. The marLED not only offers perfect illumination of the surgical area, also ensures excellent energy efficiency at the same time.