Main Changelog V2:1. Equipped with Goku F745 16x16 stack 2. GPS upgraded to V2.0 Faster and more stable 3. Built-in SMO 4K Camera power cable4. Built-in BT-Nano MoudleOld VersionNew V2 VersionFlight ControllerGOKU F411 F4 OSD Flight ControllerModel: GOKU F411 FCMCU: STM32F411IMU: MPU6000 gyro/acc..