Smooth 5 225mm Wheelbase 5mm Arm 3K Carbon Fiber 5 Inch Frame Kit for RC Drone FPV Racing PIXHACK the main controller can be

the main controller can be safely switched to backup control

and you need only approximately 1/2 of the charge time to charge every battery separately

Using Time: 5-7min

if you need 5 meters

DHL UPS TNT FEDEX takes 3-7 days

Smooth 5 225mm Wheelbase 5mm Arm 3K Carbon Fiber 5 Inch Frame Kit for RC Drone FPV Racing PIXHACK the main controller can beSmooth 5 225mm Wheelbase 5mm Arm 3K Carbon Fiber 5 Inch Frame Kit for RC Drone FPV Racing Specification: Model: Smooth 5 Item Name: 225mm Wheelbase 5 Inch Racing Frame Kit Optional Version: Version A ( with Camera Mount for Go pro Session Session 4 5 Camera) Version B ( with Camera Mount for Go Pro Hero 5 6 7 Camera) Material: 3K Carbon Fiber Wheelbase: 225mm Arm Plate Thickness: 5mm Bottom Plate Thickness: 3mm Upper Plate Thickness: 2mm Side Plate