The Smart Home LED ceiling light fixture made of black steal with its four square luminous surfaces made of white plastic and arranged in a diamond shape is easy to be set up and can be controlled via bluetooth with the free AwoX Smart Control App and the separately available remote control (EGLO 99099) Thanks to the ZigBee 3.0 technology, you can control the smart ceiling spot via voice control (Alexa with smart hub or Google Nest) using a compatible vocal assistant with integrated bridge and switch the light on and off remotely when you are not at home; Control via app from home does not require a hub and is also possible offline The LEDs emit a pleasant light (42 watts, 5000 lumens); Dimensions: length: 47 cm/ 18.5 in, width: 43 cm/ 16.9 in, height: 6.5 cm/ 2.6 in; This product is a containing product with a light source of energy efficiency class E; containing products are lighting fixtures that can be disassembled for separate inspection of the containing light source(s)