Features:Carbon fiber has good conductivity, and glass fiber will conduct electricity on the surface only for safe use.High hardness material provides good resistance to damage if case of there is hard landing.X-structure is flexible and stable, which is suitable for FPV race drone to reach high speed with forceful move.Suitable for mini 4-axle FPV drone.Big enough to fit your FPV drone and tuck away all the wires neatly.Easy to install and use.Specifications:Options: Carbon Fiber, Glass FiberCompatible Flight Controller: for F4 or F3 or Naze32 or CC3DCompatible Motor: 2204 or 2205 or 2206 or 2305 or 2306Compatible ESC: 20-40ACompatible Propeller: 4inch or 5inch or 6inchCompatible Battery: 3S-5SWheelbase: 250mm or 9.8inchArm Thickness: 3mm or 0.1inchMain or Top Board Thickness: 1.5mm or 0.06inchColor: As PicturesWeight: 147-222gType: RC AccessoryPackage Includes:1 x Drone Frame Kit with Screws.