This item is a 3D printer cooling blowing fan, which is made of material. It is excellent for cooling heatsinks on hot ends, prints, or other cooling needs, bearing is high precision, long life and low noise. Features - Color: Black. - Material: Plastic. - Size: 4x4x1cm - Cooling fan for 3D printer hot ends, extruder & so on. - Highly rotating with low power consumption for use. - Easy to use and install. Highly working performance for 3D printer. - High heat dissipation function with low power consumption. - Scientific inside structure for safe and convenient use. - Rated power: DC 12V 0.12A. - 2Pin connector, wire length approx. - Warm Tip: Dear buyer, Due to lighting effect, monitor's brightness, manual measurement and etc, there could be some slight differences in the color and size between the photo and the actual item. Sincerely hope that you can understand! Thank you! Package list: 4 x printer cooling fan