Features: With power control and adjustable light brightness and suction force for tasks. With 7600rpm speed and 3 gear of air volumes and brightness adjustment, this device effectively removes welding Smokes, creating a clean work environment. Operating at dc5v, consuming minimal power with a current of 0.25‑0.7A, this led Smokes extractor ensures a comfortable and secure working environment for extended periods. Specifically for welding and soldering, this Smokes extractor captures harmful fumes and particles, safeguarding both your lens and air quality. Featuring 36pcs led beads, this led Smokes absorber provide lighting for intricate microscope repairs, improving accuracy and efficiency during maintenance tasks. Specifications: Component:ABS Voltages: DC5V Brightness: 3 Gear Adjustment Current: 0.25-0.7A Air Volumes: 3 Gear Adjustment LED Light: 36Pcs Speed: 7600r Size:Approx.10x6cm/3.94x2.36inch Package Includes: 1Pc Exhaust Fan note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual of the item.