1、16 million colors optional and multiple situational models to create the atmosphere you want. 2、Support about 20 language, through download APP and make the bulb to connect WIFI, you can use phone to remote control and monitoring the light anytime, anywhere, and can be shared between different devices. 3、Compatible for Amazon alexa, google home and app, convenient to use. 4、Auto turn on/off, or switch application settings time. Wake up in the morning and lighting will gradually increase. When you fall asleep, the lighting gradually dim. 5、Suitable for about 6-5in downlight shell, easy to install. Features: 1.16 million colors optional and multiple situational models to create the atmosphere you want. 2.Support about 20 language, through download APP and make the bulb to connect WIFI, you can use phone to remote control and monitoring the light anytime, anywhere, and can be shared between different devices. 3.Compatible for Amazon alexa, google home and app, convenient to use. 4.Auto turn on/off, or switch application settings time. Wake up in the morning and lighting will gradually increase. When you fall asleep, the lighting gradually dim. 5.Suitable for about 2.6- 3.5in downlight shell, easy to install. 6.Suitable for home lighting, commercial lighting, wedding, exhibition conference, coffee shops, KTV,  kitchen, ect. Specifications: Material: aluminum + PC Optional Color: golden, silver, gray Power: 7 W Life time: ≥30000h Voltage: AC85-265V Opening hole size: Approx. 3in Service life: ≥30000 hours Wife standards: IEEE 802.11b/g/n Wife type: Wi-Fi 2.4GHz Packing List: 1 x Downlight  1 x Instruction Note:  It is not compatible with the dimmer.