TIOSL is high-tech led lighting company, a subsidary of Ark lighting which established in 2007. Tiosl prodvides wireless led smart lighting system (bluetooth mesh connection ) and smart lighting fixtures, like smart tunable white troffer/ panel light, smart dimming linear high bay/ufo. Hot sale items magnetic strip retrofit kits, led tube etc. Tiosl owns a strong R&D team, which develop the system include in-house design APP, sensor, driver, accessories. Products also are patent designed and UL/DLC, VDE PSE, SAA certified, products have been sold to over 20 countries.