Square recessed panel luminaire, Tunable White, Zigbee. Product features: Zigbee 3.0 certified Tunable White luminaires - LED strips for simple integration into partner systems. Ready for connection to BIOLUX HCL control unit. Adjustable color temperature via Tunable White: 2,700…6,500 K. Wireless communication between control unit and luminaries via Zigbee protocol. Very high color rendering index Ra: > 90. Product benefits: Enables an individual lighting solution in combination with compatible Zigbee HCL lighting controls. Biologically optimized lighting by adapting artificial light to natural daylight course. 5 years BIOLUX HCL system guarantee when operated as part of a BIOLUX HCL system (BIOLUX HCL- - VIVARES ZIGBEE control unit in combination with BIOLUX HCL luminaire(s) - BIOLUX HCL LED strips). Can support working with more concentration. Good glare reduction (UGR ≤ 19). Areas of application: Lighting solution for up to 40 BIOLUX HCL luminaires - BIOLUX HCL LED strips combined mit BIOLUX HCL control unit. Open-plan office solution for up to 200 BIOLUX HCL luminaires combined with VIVARES ZIGBEE control unit. Hotel and office rooms with little daylight. Equipment / Accessories: LEDVANCE BIOLUX app required for commissioning of the BIOLUX HCL system only (available for Android and iOS). LEDVANCE VIVARES app for project planning and required for commissioning of the VIVARES ZIGBEE system only (available for Android and iOS).