Features: Sturdy material provides good resistance to damage if case of there is hard landing. Main and top boards are PCB boards, which allows you to solder ESC to them directly. X-structure is flexible and stable, which is suitable for FPV race drone to reach high speed with forceful move. Suitable for 4-axle FPV drone. Colored arms are for orientation to keep you flying in the right direction. Big enough to fit your FPV drone and tuck away all the wires neatly. Easy to install and use. Specifications: Material: Plastic + Nylon + Fiber Compatible Drone: for DJI F450 or others Compatible Motor: 2212-2216 (Stator Size) Compatible ESC: 15-30A Compatible Propeller: 10 * 4.5 / 4.7inch Compatible Battery: 3S / 11.1V / 1500-2600mAh Motor Mounting Hole Pitch: 16 * 19mm / 0.6 * 0.7inch Motor Wheelbase: 450mm / 17.7inch Size: 36 x 5.5cm / 14.2 x 2.2inch Color: As Pictures Weight: 353g Type: RC Accessory Package Includes: 1 x Drone Frame Kit with Screws . Note: Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.