All 3K Carbon Fiber, Lighter Weight Compact Design Greatly Reduces The Total Weight, Wind Resistance Coefficient Is Small Suitable For Mark4 7 Inch Hd Version Of The Crossing Frame Well-Made, Durable Safety And Security, The Need For Professional People To Operate The Drone To Avoid Damage To The Airframe Frame Type:H Type Wheelbase:295mm Propeller:7 Inch Bottom Plate Thickness:2.5mm Top Plate Thickness:2.5mm Arm Thickness:5mm Camera Installation Spacing:19mm Map Transmission Installation Hole Distance:Compatible With 30.5mm/20mm Flight Control Installation Hole Distance:Compatible With 30.5mm/20mm Flight Control:Rf/Kiss/F3/F4/F7 Motor:2204/05/06/072305/23062307 Esc:20-50A Battery:3-651500-2200mAh Type:A:Without Prints Colour:As Shown Material:3K carbon fiber Size:182mmx232mm Package Contents: 1 Set * UAV Rack Accessories 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.