This motor is a small external brushless motor with Hall, is eight lines, starting from the side with red, the first, second, third, which is the motor of the three main line, the other five lines are Hall line.

Motor diameter: 21 MM

Gearbox outside diameter: 22 MM

Motor height: 49.5 MM (not including output shaft)

Output shaft: 6 MM (double flat 4 MM)

Output shaft length: 15 MM

Motor weight: 40 g

Motor Lead: eight-wire (with Hall)

Reduction ratio: 40: 1

Lead length: 120 MM