Tridonic GmbH & Co KG has unveiled the DLE G2 PRE TunableWhite system. It is pre-calibrated at the factory and has an adjustable colour temperature range of 2,700 to 6,500 K for covering the entire white range from warm white to cool white. According to the company, luminous flux remains constant at all times. The system provides a simple way to create dynamic lighting solutions such as tunable white and human-centric lighting applications. The TunableWhite system has a “high” system efficiency up to 100 lm/W and is “extremely” economical in standby mode with a power draw of only 0.25 W. It is also suitable for emergency lighting systems in accordance with EN50172 and has a life of 50,000 hours. The manufacturer offers a 5-year system guarantee.