This 120 mm cabinet cooling fan features plug‑and‑play USB power supply with an inline controller that supports 6‑speed airflow adjustment and multi‑mode timer functions. Equipped with double ball bearings and an IP55 moisture‑proof motor, it comes with an aluminum‑alloy front panel and double‑sided protective grilles. It is ideal for network cabinet ventilation, equipment cooling, storage cabinet dehumidification, small‑space air circulation and custom DIY cooling projects.

✅ USB direct power supply. No extra power adapter required for quick and easy installation

✅ Multifunctional inline control: 6 adjustable speed levels + 3 timer modes, maximum 6‑hour timing

✅ 5‑12V wide‑voltage compatibility with PWM intelligent speed regulation for flexible airflow control

✅ IP55 damp‑proof motor for stable continuous operation even in humid environments

✅ Durable aluminum‑alloy panel plus double‑layer safety grilles for reliable and secure use