Large angle light emitting surfaceWith the new lampshade design, large angle light emitting surface to meet the different areas of lighting. Recommended for 20 square meters below the small living room/bedroom and other scenes. Using the transparent acrylic material and unique film printing process to make the light soft.App and Bluetooth remote controlXiaomi yeelight ceiling light can be controlled by smartphones through WiFi or Bluetooth. Built-in multiple scene modes, the proprietary App lets you get access to your desired lighting easily. It comes with a Bluetooth remote controller that allows you to remotely switch on and off without necessarily being in the same room.Mi AI Bluetooth speaker linkageThis ceiling light can be connected directly to the Xiaomi AI speaker to control the light turn on/off, intensity and color temperature, using voice commands.Cold and warm light switching freelyThe color temperature range of this ceiling light is from 2700k to 6000k, the maximum brightened range up to 2200Lm. About the Moonlight Mode, the ultra-low brightness as low as 1.5 lumens, which just as the full moon, providing warm and cozy light to take good care of your eyes. Using TV lens design + high-density lamp beads arranged, the light is more uniform and soft.IP50 dustproof designThe yeelight ceiling light is designed for IP50 dust resistance, which protects it from dust and could get rid of the pesky insects which usually hover around lighted lamps.5 Min fast installationInnovative quick coupler module lets you push and slide to lock the lamp into the holder with ease. It is very convenience.