The XT-S by Tobias Grau is a surface and suspended luminaire, also available as a free standing and wall mounted version, its elegant and slim design allows it to integrate into its surroundings as well as provide a feature piece for offices and meeting rooms. The XT-S provides optimum and efficient lighting, using tunable white, it offer a range of colour temperatures, making it a very dynamic light source. L90 @ 50,000 hours. SDCM>3. CRI>80.