Square gear box motor with 10 RPM and high torque.
Stall torque range is 85 kg.cm. Full datasheet for this motor available.
Power full motor. Where you need slow speed and want to rotate high load, this motor is perfet for that appication.
Use 12v 3A/5A adater for this motor. 
or 12v lithium ion battery.
speed controller 5A rated best for this motor.