Super-flat recessed downlight. Die-cast aluminum housing. Light guide and diffuser made of non-yellowing PMMA, opal matt. Suitable for direct covering with thermal insulation material. Ceiling fastening with spring system. Installation depth depends on ceiling thickness. Including external operating device via plug connection, connecting cable 250 mm. Connected HF motion detector in separate device box. Adjustable dimming functions soft start, corridor, permanent. Wireless networking, configuration and communication of the sensors via Bluetooth®. Operation using an Android / iOS device, free app available for download. Master/slave brightness sensor without function. Not suitable for metal ceilings. Versions with motion detector not suitable for surface-mounted housings. Suitable for through-wiring with separately available accessories. Retrofittable decorative cylinders made of chintz fabric as an accessory, optionally with satin plastic cover plate. Through-wiring box (5-pin) available as an accessory.