4PCS JX PDI-6221MG Servo 20KG 360 180120 Degree High Torque Digital Servo for RC Models Helicopter Spare Parts version:180Degree With a flight data recording

With a flight data recording function

UBLOX NEO-7M 7M GPS Module with Compass for APM2

● RaceBand 40 channel

boosts it to 6V for your receiver & servo

4PCS JX PDI-6221MG Servo 20KG 360 180120 Degree High Torque Digital Servo for RC Models Helicopter Spare Parts version:180Degree With a flight data recordingFeatures: Set of 4 High performance 20KG high torque digital standard steering gear High precision gear made in Taiwan CNC aluminum inner shell Double ball bearing PDI 6221MG detailed specifications: Dead zone: 2s Maximum pulse width: 900 2100us (suitable for remote control) Maximum angle: 120 180 360 Motor: iron core Working voltage: DC4. 8V 6. 6V Speed (4. 8V): 0. 18 sec 60 Speed (6V): 0. 16 sec 60 Torque (4. 8V): 17. 25 kg. cm Torque (6V): 20. 32