Detail DC Coreless Motor propeller robot pemadam api fire fighting smart car
Combined tail reduction assembly (black), a deceleration for helicopter tail group, this kit is a coreless motor driven through a reduction gear, drive onto the shaft, rotating propellers final drive.
Specifications:
Rated voltage: 3.7v Overall Size: 3.5 x 4 x 1.5 cm Paddle Length: 7 cm Motor Type: 716 motor Weight: about 5.3g Material: Plastic