Usage Tips:1. Supports both APP control and IR remote control; 2. Support automatic device connection; 3. Support group control; 4. Multiple sound collection methods: phone mic, player streaming, on-board mic; 5. Support modifying the device name, calibrate the RGBW channel sequence, and timer function; Individually controllable static pure white light (W channel). Built-in 152 dynamic effects(10 kinds of W channel effect), effect length adjustable, with favour effects collecting function; Built-in 18 music effects, effect length adjustable, sensitivity adjustable; DC5-24V wide voltage input, the power supply has anti-reverse connection function; Automatic saving function for setting parameters. Type: 2 Out Port Material: PVC colour:White Package Contents: 1 x SP617E controller 1 x Remote control Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is 1-3cm. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.