These motors are light weight plastic body and plastic geared. Just give it 3 volt to 9 volt supply and off it goes. These motors work quite well at low voltages and are low weight as compared to DC geared Motors.
This Straight BO Motor is perfect for low cost DIY projects; Battery operated toys, RC Toys and other robotics and hobby project.
Operating Voltage: 3 Volts – 9 Volts
Torque: Approximate 0.8 Kg/cm.
Gear materials: Plastic.
Motor types: permanent-magnet.