The cylindrical Bopp Aura 40 ceiling light has a diameter of 40 cm and is 3.7 cm high. The white diffuser of this LED ceiling light is surrounded by a ring. This ring is available in the surfaces aluminium, white, taupe and black. The dimmable ceiling light with integrated LED emits its warm white light directly downwards. The lamp is available in three versions: dimmable with a phase-cut and phase-angle dimmer, with a Casambi module or with a ZigBee module. With a Casambi module, it is possible to operate the ceiling light via smartphone or tablet using the Casambi app via Bluetooth. With a ZigBee module, the lamp can also be regulated via voice control. Both modules enable the light control of the lamp via app.