Features - Professional lighting effect design - 6 flash modes, switch on/off option - Large landing area for extra stability - Great for PC case decoration Contents: 1. 4 LED bubbles and 4 acrylic case feet 2. Wire and Molex(F/M) 3. Back controller with switch and mode button 4. Electronic driverˇ5. 4 Double-side tapes INSTALLATION: 1. Take out the rubber step from the bottom of the case. 2. Using double side tape to paste new acrylic case feet on the bottom of case. 3. Put controller on the rear panel. 4. Link wire with power supply connector. 5. New acrylic feet with color LED light. 6. Switch on to enjoy the fantastic lighting effect.