HDKJ D3020 20Kg 80g Full Metal Digital Robot Servo Brushless High Torque 90 Degree Rotation Waterproof DIY Car Heli

HDKJ D3020 20Kg 80g Full Metal Digital Robot Servo Brushless High Torque 90 Degree Rotation Waterproof DIY Car Helicopter

Dimensions: 40 * 20 * 38 lines long : 320MM
Weight : 80
Deadband setting: 2 microseconds
Rotation angle of 90 degrees ( plug, output wheel , remote control system which is compatible with Futaba, , HITEC.)
Working torque :. 20Kg. at6.0v
          22Kg.. at7.4v
Speed : 0.07sec / 60 ° at6v
          0.06sec / 60 ° at7.4v
No-load current : <500MA
Operating voltage : (4.8 --- 7.4) V
Materials of Construction: Precision Metal Gear , brushless motor , double bearing , square interference potentiometer .