Note:

STA mode . It has to work with your home 2.4G WiFi network.Otherwise the controller can not work.
Using DC5V Power supply for WS2812B LED pixel , don't use DC12V power supply.
Voice command: Alexa , ask fairy light to run fire effect. Or Alexa ,turn off the bedroom light.
There are two skills for SP501E LED controller: Fairy Nest and Fairy Light .So the alexa app should add these two skills.

Specification:


Material: Plastic
Item Color: White
Channel: RGB (You can adjust the order in APP )
APP: Fairy Nest
APP Control Function: Pacakge: 1* SP501E Wifi Alexa LED Controller
Updated Technology: Controlled by SP511E (IR remote+2.4GHz WiFi APP+Google Home/Alexa+Built-in Mic) with 8 dynamic chasing effects and 8 Alexa voice control effects
Multiple Functions: Timer, APP, Mark, Auto Play, and STA modes for control via WiFi
Dynamic and Static Effects: 180 dynamic chasing lighting effects and 8 musical lighting effects
High Resolution: 900 pixels/port max with 2.4GHz WiFi support
Easy Installation: DC5V power supply required for LED strip compatibility