JX Servo 8KG/9KG/13KG/15KG/20KG Coreless Metal Gear Digital Servo For Helicopter RC Car Truck Buggy Robot Arm Boat Color:20KG 120 Degree Also useful for battery with

Also useful for battery with

Motor*4 (optional)

4 Maximum speed: 210000 2-pole motor rev / min

Size: 36*22*7

Thickness of upper plate: 2mm

JX Servo 8KG/9KG/13KG/15KG/20KG Coreless Metal Gear Digital Servo For Helicopter RC Car Truck Buggy Robot Arm Boat Color:20KG 120 Degree Also useful for battery withJX Servo 8KG 9KG 13KG 15KG 20KG Coreless Metal Gear Digital Servo For Helicopter RC Car Truck Buggy Robot Arm Boat PDI 5508MG 8KG: Working voltage: DC4. 8~6. 0 V Speed (4. 8V): 0. 09 sec 60 Speed (6. 0V): 0. 07 sec 60 Torque (4. 8V): 6. 8 kg. cm Torque (6. 0V): 8. 2 kg. cm Size: 40. 5X20. 2X38mm 1. 59 X0. 80X49 in Weight: 55. 6 g (1. 96oz) Servo PDI 5509MG 9KG: Working voltage: DC4. 8~6. 0 V Speed (4. 8V): 0. 15 sec 60 degrees Speed (6. 0V): 0. 13 sec