TGZ380N 3 Axis Gyro Flybarless System Gyroscope W Servo Cable For Align TREX 450 550 600 700 RC Helicopter Aircraft UAV DroneCNY 226.29/piece TGZ580 V5 Gyro 3-Axis Gyroscope Flybarless 4.5 ~ 10V W USB2SYS Smart Voor T-Rex 250-800 Align Trex RC Helicopter 1. Size: 35*25*14mm 2. Net...