Optimized Performance Design: The Nazgul Evoque F5 V2 O4 Pro FPV Frame Kit is designed for optimal FPV racing performance. Featuring a rugged 5-inch F5D design, this frame kit is tailored for agility and speed, making it ideal for competitive racing and freestyle flying Construction: The frame features 6mm thick arms for enhanced durability and resilience, ensuring it can withstand the rigors of high-speed flight and occasional crashes without compromising the integrity of the drone Versatile Compatibility: This frame kit is designed to support a wide range of FPV components and accessories, allowing for a highly customizable setup to suit the specific needs of both new and experienced pilots The design ensures easy handling, while the rugged construction withstands rigorous flying conditions Compatible Transmission: HD O4 Pro Air Unit, HD O3 Air Unit, HD Vista, Analog Whoop 1.6W VTX Frame:DC type Motor diagonal distance: 223mm (wheelbase) Frame size (LxWxH): 190x136x36mm Top plate thickness: 2mm Bottom plate thickness: 3mm Arm thickness: 6mm Middle plate thickness: 3mm Internal space height: 22mm Motor spring hole diameter: 6mm Camera side plate spacing: 20x20mm Flying tower installation height: 22mm Image transmission installation height: 22mm Flight control installation hole spacing: 20x20/3mm Image transmission installation hole spacing: 25.5x25.5/2mm Motor installation hole spacing: 16x16-3mm/4-hole shape Compatible image transmission: [HD O4 Pro Air Unit] [HD O3 Air Unit] [HD Vista] [Analog Whoop 1.6W VTX] It's DIY kits, needs to by yourself. Colour:Black Material:carbon fibre Package Contents: 1 * FPV Frame Kit Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.