Brand new and high quality. Material: PETG. Current: 0.08A. Speed: 11000±5%RPM. Noise: 28.8DBA. Weight: 13.8g. Features: High-efficiency Cooling, Auto Start-stop Feature, Compatibility with Bambu Lab A1/A1 mini, PETG Durable Casing, Low Noise Operation. Package Including: 1*Extrusion Motor Cooling Kit for Bambu Lab A1/A1 mini