10pcs COPOL High-Precision DC Motor DC 3V-5V Worm Gear Micro Motor 200RPM with Encoder

This is a High-precision DC motor
Brand: COPOL
It is used for focusing digital camera normally, it is a precision vortex reducer motor,
The 2 output gears is locked when the motor do not work.
There are 2 palace for photoelectric tachometer tube, but this motor does not included the tubes.
After testing: Very low noise, the speed of output gear is very fast, torque is good.
Voltage: 4.8V, Speed: 200RPM, CURRENT:40mA
Motor size: 8*20mm