Features: The builtin brushless motor is strong and can reach a maximum speed of 130000RPM. It ensures efficient and effective airflows. They generate pressure and speed of over 52 meters per second, ensuring powerful airflows. Equipped with high capacity batteries (with a capacity of 4000mAh), this product offer long lasting battery life. This product supports 3 gear speed adjustment, allowing users to choose the desired speed intensity according to their preferences. Say goodbye to tedious dusting. This blower's multifunction power quickly eliminates dust, cobwebs, and debris from every corner, making cleaning a breeze. Specifications: Material:ABS Battery Capacity: 4000mAh Speed:130000RPM Charing Time:2.5hours Size:Approx.143mm/5.63''x93mm/3.66'' Package Includes: 1Piece Compressed Air Duster note: Please allow 1mm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual color of the item.