Supports the following Alexa speakers: Echo Plus (all models) Echo Show (all models) Echo (all models except 1st Generation) Echo Dot (all models except 1st Generation) This is a Bluetooth connected, BRmesh APP and Alexa controlled MELPO recessed lighting 4 inch ? Work with Alexa only, Not compatible with Google home or Apple HomePod?3-year-warranty. You can also use Iphone Siri to voice control the downlights?set up via the BRmesh app?. Note? (1) Only Work with Alexa only, Not compatible with Google home or Apple HomePods! (2) Can not work on the dimmer switch. (3) No need transformer, the lights built-in transformer, you can install it on 110v directly. How to paring with Alexa/Echo. Method 1: One step pairing Alexa quickly (No need download any APP)(We recommend pairing only one light at a time). 1, Turn off the smart recessed lighting. 2, After 5 seconds, turn on recessed lighting. 3, Say to the speaker “Alexa/Echo, find device''. Then you can use Alexa to control the lights. Please repeat the above steps to pair each light bulb with Alexa one by one. If Method 1 fails, please use Method 2. About Method 2, please refer the user manual. How to use Siri to control the lights. 1, Add the lights to BRmesh APP. 2, Change the light name in BRmesh APP. 3, Open BRmesh ---Click '' More''--- Add to Siri---- Click the light/group name--- add to Siri. Then you can say ''Hey Siri, turn off bedroom''. Features: Registration: Not Required WiFi: No need Hub: No need Maximum Number of Devices: 100 Dimmable: Yes (via BRmesh APP or Alexa only, can't work with any dimmer) Color temperature: 2700K-5700K adjustable Color Changing: Yes (16 million RGB colors) Timing function: Yes Sync to Music: Yes DIY Flash mode? Yes DIY Fade mode : Yes Modes: 23 system preset dynamic mode+ DIY Flash and DIY fade. DIY Scenes: Yes Group control: Yes Single control: Yes Device Sharing: Yes MESH: Yes Memory function : Yes Specifications: Input: 120V Power: 12W Lumens: 1100LM (120W equivalent) Color Temperature: 2700K-5700K adjustable CRI: >85 Color: RGB Multicolor 16 million colors: Control Red, Green, Blue Colors Independently From Each Other With Pin Point Accuracy! Individual Color RGB Adjustment 0 - 255. Suitable for video taking and photo shooting: Any color will not cause strobe to the screen of the mobile phone. Package Contents: 4 Inch LED Recessed Lighting x 12 Junction Box X 12 User Manual x 1