Martian II 220 220mm 4mm Arm Thickness Carbon Fiber Frame Kit w/ PDB For FPV Racing RC Drone Specification: Brand name: MartianⅡ Item name: 220 220mm Frame Kit Wheelbase: 220mm Material: Carbon fiber Arm thickness: about 4mm Thickness of top plate: about 1.5mm Thickness of bottom plate: about 2mm Weight: 155g Recommend parts (package not include): ESC: 12A-20A Propeller: 5030 5045 Battery: 3S 1500-2200 Flight control: omnibus F4 V3 Motor: 1806 2204 2205 2206 Package included: 1 X Frame Kit 1 x Power distribution board 1 x DC-DC