1: Tuya Bluetooth downlight is more convenient to connect than Tuya WIFI downlight and can be connected without internet. 4: Scene color selection function, speed and brightness adjustment function 5:360 degrees, no need to face the light when remote control The package includes: Tuya Bluetooth Downlight and Pearl Bag Protection and Manual; instructions Notes: 1. It acts as a Bluetooth downlight, you just need to connect the mobile phone's Bluetooth directly. Cannot connect to alexa or other wifi devices alone, if you need to use alexa or google assistant, you must have a Tuya bluetooth mesh gateway 2. This bluetooth downlight can be upgraded to a wifi downlight after connecting to a bluetooth gateway, then used with Alexa, Google, Xiaoai, Tmall Genie and Xiaodu Assistant. 3. Shareable control (an APP that has registered an account can be shared with another account that has registered an APP, and you can choose the identity of the shared person as an administrator or a visitor) Note: the data is Manual measurements, please allow 1-41cm error, due to differences between light and screen, there will be a certain color difference, the specific received in kind prevail.