Features: brand new and high quality 7075 aluminum alloy side plate, new visual effect, durable, effectively protect PFV lens. Wide X-arm design, stable and flexible flight attitude. The video transmission installation holes are compatible with the sky terminal, vista and analog video transmission. Unique frame shock absorption design, less vibration, safe and stable electronic system operating environment. Independent capacitor and buzzer compartment, the whole machine runs extremely stable, no jitter, no shaking. The frame is optimized for 5-inch propellers for a smoother free-flying experience. Specifications: Wheelbase: 225mm Length : 22cm Other Plate Thickness: 2.5mm/2mm Arm thickness: 5.0mm Flight control installation hole: 30.5x30.5mm Image transmission installation hole: 30.5x30.5mm / 20x20mm Motor mounting hole: 16x16mm Lens size: 19-20mm Suitable for propeller size: 5 inch propeller Style: without printout, with printout (optional) Package Includes: 1Set x MarK5 5Inch 225mm FPV Carbon Fiber Frame Kit note: No retail package. Please allow 0-1cm error due to manual measurement. plz make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!