elcPark RF Wireless Controller for Dream Color SMD 5050 RGB Flexible LED Strip Lights 133 Modes Changing Color 6803 IC WS2811 Dream color controller for IC6803 5050 RGB LED Strip Light The 6803 controller controls strip light with 133 modes, like color changing, flashing, chasing, fading, skipping, scanning, scrolling, by single color or multicolors. Controller Size: L83 x W35 x D15mm; The remote needs 23A12V battery, not included. Remote Controller only; Buy 6803 strip light kit refer to https://www.amazon.com/dp/B0746K8L42