Arwen Ceiling Light S Series has two sizes to meet different room space. The simplified design fits all kinds of home furnishing and decorative style. Plus, the surrounded metal frame manifests its delicate quality. With ambience RGB backlight, it creates colorful atmosphere in multiple scenarios. For the main light, the brightness and color temperature could be adjustable. Moonlight mode helps you fall asleep at night. With quick module, it is easy to install in a few minutes. Apple Homekit makes the lights know you better and fits your life habits via Siri. 16 Million Colors Backlight Dimmable and Adjustable Color Temperature Compatible with Apple Home Kit, Google Assistant, and Amazon Alexa Comes with Yeelight Remote Control Easy Setup with Patented Quick Change Fixture0. 4W Ultra-Low Standby Power Moonlight Mode with an Ultra-Low Brightness Bug-proof and Dust-proof Other Remote Control Enabled by App, Remote & Smart Dimmer Model No. : YLXD013-A Colour: White Material: PC Dimensions: ?555x99 mm Luminous Flux: 3500lm Room Size: 15-25?Colour Temperature: 2700K-6500K Colour: With RGB Ambilight Color Rending Index: CRI>90 Luminous Effeciency: 60lm/W Interface Mode: Coupler Input Voltage: 220-240V @ 50/60 Hz Rated Power: 50W Ingress Protection: IP50 Service Life: About 25000 Hours