Summary The GEPRC MARK5 O4 Pro frame is designed specifically for the O4 Air Unit Pro. It features a redesigned camera mount and custom shock-absorbing silicone, improving compatibility and vibration resistance for a more stable flight experience. Feature 1.Optimized for O4 Air Unit Pro, offering enhanced compatibility. 2.DC and wide X shapes, fit for a variety of flying situations. 3.Two TPU camera mounts, compatible with all action cameras. 4.Quick-release arms with just two screws for easy swapping. 5.3K carbon fiber frame that is lighter, stronger, and more durable. Specification–GEP-MK5 O4 Pro DC Model: GEP-MK5 O4 Pro DC Frame Wheelbase: 230mm Weight: 197.0g ± 10g Color: emerald green / coral orange Top Plate Thickness: 2.5mm Arm Thickness: 5.0mm Bottom Plate Thickness: 2.5mm FC Mounting Pattern: 30.5mm * 30.5mm VTX Mounting Pattern: 20mm * 20mm / 25.5mm * 25.5mm / 30.5mm * 30.5mm Motor Mounting Pattern: 16mm * 16mm / 19mm * 19mm Camera Mounting Pattern: 20mm Recommended Prop:5-inch Specification–GEP-MK5 O4 Pro wide X Model: GEP-MK5 O4 Pro wide X Frame Wheelbase: 225mm Weight: 165.1g ± 10g Color: emerald green/coral orange Top Plate Thickness: 2.5mm Arm Thickness: 5.0mm Bottom Plate Thickness: 2.5mm FC Mounting Pattern: 30.5mm * 30.5mm VTX Mounting Pattern: 20mm * 20mm / 25.5mm * 25.5mm / 30.5mm * 30.5mm Motor Mounting Pattern: 16mm * 16mm / 19mm * 19mm Camera Mounting Pattern: 20mm Recommended Prop:5-inch Includes: 1 x GEP-MK5 O4 Pro Frame 1 x 15*250mm heavy-duty Velcro straps 2 x Battery anti-slip pads 1 x 3D printouts pack 2 x 20*250mm rubber anti-slip straps 1 x L-shaped screwdriver 1.5mm 1 x L-shaped screwdriver 2mm 1 x L-shaped screwdriver 3mm 1 x M8 wench 1 x Screw pack