Bgears b-DualRing 120mm LED Fan with 30 LEDs. Excellent Airflow of up to 101 CFM at only 38 dBA. Dual Ring Frame design for better lighting effect on both front and back view of the fan. Build in Anti-Vibration pad for better stability while fan in operation. Mini 3 pin 3 wires connector with fan speed signal output. Include 4 mounting screws. UL/RU, CE, RoHS certified. Also available in Blue, Red, White and RGB LEDs color