This is a rare motor, and the small motor torque is very large, which is the value of it!
Pack Including: 2* motors + 2 *propeller(1*Black propeller+1*Red propeller)
Voltage: DC 3.7-4.2V
Current: 0.08A–0.1A
Speed: DC3.7V——34000 RPM
Motor diameter: 7MM
Motor length: 16MM
Output shaft diameter: 0.8MM
Output shaft length: 8MM
Motor Weight: about 3.5g
Propeller Weight: about 1g
Propeller length: 45MM
Propeller: Red or Black
Line length: 80mm
Note: when you install the propeller, press and hold the back of the motor to prevent damage to the motor. In order to prevent unnecessary loss, please buy more one for Spare, to prevent the sudden situation!