MARK4 V3 PRO 13 Inch/15 Inch Carbon Fiber FPV Frame Kit 570mm/680mm Wheelbase 8mm Arm Thickness for FPV Freestyle Racing Drone Color:15 Inch Slot pole number：12N14P

Slot pole number：12N14P

Separate Programming/Fan Port

1 * Probe Converter Board

Just suit for DJI Spark Drone

and to reuse the onboard ELRS receiver

MARK4 V3 PRO 13 Inch/15 Inch Carbon Fiber FPV Frame Kit 570mm/680mm Wheelbase 8mm Arm Thickness for FPV Freestyle Racing Drone Color:15 Inch Slot pole number：12N14PMARK4 V3 PRO 13 Inch 15 Inch Carbon Fiber FPV Frame Kit 570mm 680mm Wheelbase 8mm Arm Thickness for FPV Freestyle Racing Drone Product Overview The MARK4 V3 PRO is a reinforced wide X type carbon fiber drone frame designed for high performance 13 inch and 15 inch FPV racing and long range flight. Built with premium T8 carbon fiber and a robust structure, it delivers exceptional strength, rigidity, and flight stability for professional drone