Yeelight YLXD013-B Arwen 450C LED Ceiling LightProduct Features:Always Fit Your Room Arwen C comes in two sizes, 450 and 550 suitable for rooms of 15-25m and 25-35m, respectively. Metal frames further incorporates the elegance of curves in an ultrathin structure. More Ways to Control In addition to smart voice control through Google Assistant, and Amazon Alexa, Smart Things, Seesaw dimmer switch and a remote control are also available. Color Mood Light for Your Night of Romance Arwen C comes with 16-million color mood light at your disposal. You may turn on the main light and mood light together to create a dreamy environment, or separately to add a feel of romance. Quick Change Fixture With patented quick change fixture, you may quickly install the light by gently locking the easy-to-install light base in place. Adjustable Light for More Scenes Adjustable brightness and color temperature provides the comfortability for different occasions. The color temperature covers a range of 2700K-6500K, casting the right light for the right setting. Have A Good Night Arwen C supports moonlight mode with an ultra-low brightness, perfect for the night- time as it emits a soft, comfortable glow that reduces glare and eyestrain just like the moonlight. See the True Beauty in Your World A color rendering index (Ra) up to 90 means that the light can accurately showcase the colors as they would be in the natural sunlight and allows you to see the lively world as it is. Dust and Insect-proof The hole-free light body ensures efficient prevention against dust and insects.Technical Specifications:Model NO.:YLXD013-BService Life: Approx. 25000hColor Temperature: 2700-6500KLuminous Flux: 3800 lmSuitable Room: 15-25mCRI: Ra 90Rated Input: 220-240V, 50/60Hz Max. 0.23ARated Power: 50W (81x1W/LED module+60×0.2W/LED module)Dimension: 495 x 92mmCompatible With: Android 4.4 & iOS 9.0 or aboveWireless Connectivity: Wifi iEEE 802.11 b/g/n 2.4GHz, Bluetooth 4.2 BLE