Standardized 450mm shaft Design: Features a symmetrical 450mm motor spacing, compatible for various flight controllers, ESC ( 20A-30 a), and motors ( 2212 2216 920KV 1000KV) for versatile customization Enhanced Electrical Stability: Equipped with a gold plated PCB board for reliability connection and reduced interferences, ensuring smooth during FPV flying or air photography Expandable Structure: Easy to assemble for accessories like cameras, perfect for enthusiasts seeking setups Aerodynamic: Engineered for efficient air and stability, ideal for, FPV racing, or recreational flying with Libatteries ( 3S 2200MAH 5300MAH Durability and Lightweight Construction: Made from high strength alloy, this 450mm frame weighs only 295g for optimal portability without sacrificing durability