Features 1、Scope of application: office automation, home automation, medical equipment, security equipment, consumer electronics, aircraft models, automotive electronics fields. 2、The cooling fan keeps the motor constant temperature 3、Pure copper wire, low heat, long life, low loss 4、Rotor uses copper wire winding, small resistance, strong electrical conductivity, so that the motor torque increased 5、Ball bearing: high bearing capacity, high speed, low friction Specification Features: Scope of application: office automation, home automation, medical equipment, security equipment, consumer electronics, aircraft models, automotive electronics fields. The cooling fan keeps the motor constant temperature Pure copper wire, low heat, long life, low loss Rotor uses copper wire winding, small resistance, strong electrical conductivity, so that the motor torque increased Ball bearing: high bearing capacity, high speed, low friction Dc Motor can CW and CCW Specification: Product type: dc motor Model :775 double shaft motor Power: 50 w Type(Optional): 12V4500RPM with bracket 24V9000RPM with bracket 12V4500RPM no bracket 24V9000RPM no bracket Weight: Approx.361g~494g/12.7oz~17.4oz Package list: 1 x Double-Shaft Dc Motor 1 x bracket with screw(optional) Package List