CAM-powered for seamless software control and nearly infinite customization Uniquely shaped, custom engineered light guide creates stunning visual effects, with uniform light dispersion Compatible with all HUE 2 controllers and accessories. Daisy chain and group fans together for additional lighting effects PWM fan with optimized cooling and whisper-low 22 dBA Fluid dynamic bearing engineered to last over six years *HUE 2 Accessories are not compatible with the HUE+ *HUE 2 supports up to a maximum of 40 LEDs per channel, five Aer RGB 2, or six HUE 2 accessories total.