Keep Your Electronics Cool: Our powerful 120mm dual ball DC blower fan is perfect for cooling your computer case, amplifier, car seats, hard drive slots, electronic motherboards, server room, and other audio video electronics. Direct Cooling for Optimal Performance: Designed for computer builds that require direct cooling on components that don't receive enough airflow, our fan fits in spots intended for a normal 120mm case fan and pulls and pushes from one side into an optimal direction. High-Quality and Long-Lasting: Our fan features dual ball bearings that are suitable for long-term work, with a lifespan of up to 50,000 hours. It's perfect for gaming PCs, car exhaust cooling, and more. Easy to Control: Our 4Pin PWM fan features a red (+) and black (-) wire, a yellow (FG) sensor signal feedback wire, and a blue (PWM) fan speed control pin. The fan speed is controlled by the voltage of the PWM pin. Specifications: Our fan measu