The TR2 Surface LED Range of downlighters is designed for direct ceiling installation, offering exceptional performance for all emergency applications. The range includes two standard optics: one for open area applications and another for corridors, with an additional narrow optic available for higher ceilings. It features an electronic module with a 5-year guarantee and comes with a Lithium Iron Phosphate battery, which is covered by a 3-year warranty. Available options include a standard non-maintained 3-hour version, a 3-hour Monitor/Self-Test version, and an addressable DALI version.