Specification Schuller Sphere - Dimmable Pendant Light Cluster Drop, Chrome Copper, Satin Brass, Bluetooth control Finish: Chrome Copper And Satin Brass Material: Polycarbonate, Metal Height (cm): 180 Min Height (cm): 130 Max Height (cm): 30 Diameter (cm): 60 Wattage (max): 78.60W Class: Class 1 Lumens: 5502 Description Lamp of 14 LED lights. Chromed metal. Polycarbonate shades of Ø10, Ø12 and Ø20 cm with texture inside and metal finished in copper and satin brass and chrome. DIMMABLE by BLUETOOTH, with APP for smartphone. 78.6W LED. 3000K. 5502lm. Includes a led driver with Bluetooth dimming functions to be used with a mobile or tablet App.It can also be used with a smart speaker such as Google Home or Amazon Echo if a Bluetooth Gateway device is added.It is not compatible with wall dimmer.