Micro Speed Reduction Gear Motor, Dc 3V 75RPM With Full Metal Gearbox Pack Of 2

What is this?Widely used for DIY subjects, lifts, landing gear, mechanical arms, RC aircraft, model cars, model robots, electronic devices, electric doors, electric screwdrivers, etc.What will I get?Voltage: 3V; Speed: 75RPM; Output Shaft Diameter:3mm/0.12inch; Output Shaft Length: 11mm / 0.43 inch;Motor Length: 15mm/0.59inch; Total size: 36 x 12 x 10mm/1.4 x 0.47 x 0.39inch(LxWxH);Motor model: N20; Shaft type:D type; Pack of 2pcs MotorIs there any advantages of the product?Made of copper and steel. It has good wear resistance, high-temperature resistance, and vibration resistance, good reliability, fine craftsmanship, and durableHow to use it?With good stall characteristics, it can climb hills easily. You can also easily mount a wheel on the output shaft of motor.What should I notice?Please try to avoid block or overload of the reduction motor, otherwise, the gear will collapse and wear. The forward and reverse control is not suitable for the gear to switch the direction immediately when it is rotating. The direction can be switched only after it is completely stopped