2 Pcs 8520 Motor Light Powerful Mobility For Quadcopter Drone 3~5V☜

Feature: \n 1. The motor is light and only weight 5 grams each which will not add too much weight to your drone.\n2. The motor,which has strong power output,will enhance your drone's mobility.\n3. Integrated with heat dissipation hole for better heat dissipation.\n4. The motor can be powered by 3~5V voltage for different rotation speed.\n5. The motor has a 12cm tail circuit,and the motor output shank is 5mm long. \n\nSpecification: \nItem Type: Motor\nMotor Diameter: 8.5mm / 0.33in\nMotor Length: 20mm / 0.79in\nOutput Shank: 1.2mm / 0.05in\nOutput Shank Length: 5mm / 0.2in\nTail Circuit: 12cm / 4.72in\nWeight: 5 g / 0.18 oz(approx.)\nVoltage: 3~5V\nCurrent: 0.15A\nRotation Speed:\n3V: 35000-37000 RPM\n5V: 50000RPM (Approx.) \n\nPackage List: \n 2 x Motor \n\nNote: \n 1. The color of the line is black and white and red and blue. The black and white line is forward, the red and blue lines are reversed. Red is positive and blue is negative, white is positive,black is negative, with cool: