LED damp-proof luminaire IP 66 for use in applications with high demands on variability, efficiency, light quality and technology. The luminaire is part of a range with identical, installation-compatible variants. These variants are available with alternative optical systems, light engines with adjustable luminous fluxes and with connection options to light management and emergency lighting systems. LiveLink SwarmSens master luminaire (DMM) with integrated HF sensor for motion detection in combination with a brightness sensor for daylight detection and Bluetooth module for networking up to 4096 LiveLink SwarmSens master and slave luminaires (DMR) in a mesh network. Range of the Bluetooth® signal up to 15 m. Integrated HF sensor in the 24 GHz frequency range for detecting movements at speeds between 1 and 25 km/h, adjustable in 10 levels from 30 seconds to 60 minutes. Detection range max. 10 m in diameter with a maximum installation height of 5 m. Brightness sensor for daylight detection adjustable in 9 brightness levels as a threshold switch or permanently deactivated. Basic light function when absent with 10% residual lighting via DIP switch or freely selectable via app. Group assignment of the lights is done via DIP switch (64 groups) or smartphone app (255 groups). Configuration of a swarm function of the existing light groups for a leading light via the app. Suitable for use in HACCP, IFS and/or BRC Global Standard Food certified companies. With clipless locking technology for easy installation of the diffuser cover and light body in accordance with the protection class after connection. Suspended installation possible using optional accessories. Ceiling mounting using the enclosed stainless steel mounting clip. Suspended installation possible using optional accessories. With a prismatic, photometrically effective, translucent PC cover, direct beam. With symmetrical, extremely wide beam light distribution. Direct beam with decorative indirect component. Distribution of the luminaire luminous flux: indirect/direct component 85% / 15%. Luminaire luminous flux and light color fixed. Rated luminous flux 4000 lm, rated power 28 W, maximum luminaire luminous efficacy 143 lm/W. General color rendering index (CRI) Ra > 80. Color tolerance (initial MacAdam) = 3 SDCM. The light source is replaceable in accordance with the ecodesign requirements (Regulation (EU) 2019/2020). Luminaire body made of PC. Luminaire body color light gray (RAL 7035). Protection class (EN 61140): I, protection type (DIN EN 60529): IP66, shock resistance level according to IEC 62262: IK08, test temperature glow wire test according to IEC 60695-2-11: 850 °C. Weight: 2.2 kg. The luminaire is suitable for operation on a 230V direct current network (DC). With electronic control gear, digitally dimmable (DALI). Control gear in accordance with DALI-2 standard (EN 62386).The control gear is replaceable in accordance with the ecodesign requirements (Regulation (EU) 2019/2020). The luminaire can be equipped with the Monitoring Ready (MOR) functionality on request. The product meets the basic requirements of the applicable EU directives and the Product Safety Act and bears the CE marking. Luminaire 10 years, spare parts (LED module, control gear, optical system) 15 years after the invoice date, subject to reasonable changes that serve progress.