USR-LED should be used with WIFI LEDLight controller. Through WIFI, control color and status of LEDLight. Warm morning, dreamy aurora, dazzle party, sun sets, etc. Add colors to your mood, much quality to your life!USR-LED can meet you: 1. Full colors for lights. Support static, jump, gradual change and lighting mode 2. Customized mode, create the most beautiful scene. 3. Choose a music, light will follow the music.Learn more: www.usr.soNew version solve the screen matching problem on 3.5 inch mobile phone.