hobby torque N20 Gear Motor, DC3V-12V Single Shaft/ Double Shaft, Full Metal Gearbox Motor, Slow Speed Large Torque Gear Wheel, DIY Robot Electric Lock Motor Engine Science ( Size : B 17RPM 68RPM , Co

• Shaft diameter: 3mm(2.5mm D Shaft)d; Shaft length: 7.5mm(Single Shaft); 10mm(Dual Shaft)
• Reduction ration: Model A(1030:1), Model B(236:1), Model C(118:1), Model D(42:1)
• Voltage range: DC 3-12V
• Perfect accessories as upgrade parts or replacement.
• Made of good material, strong, firm, long service time.

Tips: The applicable voltage of each motor is 3V-12V. In this voltage range, the higher the voltage, the higher the speed, the greater the torque. Type A has the slowest speed and the largest torque. Type D has the fastest speed and the smallest torque.

Specification:
Reduction ration: Model A(1030:1), Model B(236:1), Model C(118:1), Model D(42:1)
Voltage range: DC 3-12V
Weight: 13g
Speed error: 10%
Rotating speed: ABCD
Torque: A>B>C>D
Shaft length: 7.5mm(Single Shaft); 10mm(Dual Shaft)
Shaft diameter:3mm(2.5mm D Shaft)d

Package Include:
Gear Motor x 1pc