The LED ceiling light Bopp Frame 4-light is made of smoothed aluminium and is 32 cm wide, 32 cm long and 10 cm high. In each of the four slightly tilted light elements of the Bopp Frame 4-light, an LED with a power of 8.5 watts and a colour temperature of 2,700 Kelvin extra warm white is integrated. This square LED ceiling light emits light glare-free downwards and into the room. The lamp is available in three versions: dimmable via the existing house electrics with a phase cut and / or phase cut dimmer (not included), with Casambi module or with ZigBee module. With a Casambi module, it is possible to operate the lamp by smartphone or tablet via the Casambi app via Bluetooth. Casambi technology also offers the option of switching the lamp on at specific times via a timer. ZigBee enables wireless communication via WLAN between a Smart Media device and existing home technology. Using ZigBee, lamps, electric shutters, heating and loudspeakers, among other things, can be controlled via voice control.