7075 aluminum alloy side plate, visual effect, , effectively protect PFV lens. Wide X-arm design, stable and flexible flight attitude. The video transmission installation holes are compatible with the terminal, vista and analog video transmission. frame shock absorption design, less vibration, safe and stable electronic system operating environment. 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. Type:for MARK5 Carbon Fiber Frame Kit Wheelbase:225mm 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 Colour:As Shown Material:Plastic Package Contents: 1 x 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.