Brand new original packaging joint venture brand. Model: RF-300-1D300 motor. Blister packaging (1000pcs per piece, 100pcs per plate). This batch of motors uses silver plated commutators, precious metal brushes containing silver palladium, and strontium titanate anti-interference varistors; This 300 motor has low starting current and low noise. It is very suitable for making electronic works that are sensitive to current. It is suitable for using solar panels for power supply; [Diameter]: 24.2mm [Height]: 12.4mm [Shaft Diameter]: 2mm [Shaft Length]: 10mm (including steps) [Voltage]: 1.5V-6.0V Voltage Speed (no load) Current 1.5V2380rpm19 ma3.0V4750rpm27 ma3.7V5800rpm31 ma5.0V800rpm37 ma6.0V9500rpm43 ma