Specifications Product Type: Coreless DC Motor Motor Size: 8 × 20 mm Motor Type: Brushed Coreless DC Motor Operating Voltage: 3V – 5V DC Recommended Voltage: 3.7V DC Speed: High Speed Rotation Direction: CW / CCW (depending on polarity) Shaft Diameter: Approximately 0.8 mm Shaft Length: Approximately 5 mm Body Material: Metal Weight: Lightweight