With the release of for 's new digital HD system and the emergence of real low-latency HD video, there has never been a more exciting time to be FPV.The for HD Apex is a variant of the base frame which perfectly houses and protects for the Air Unit. By changing only the top and upper main plates of the Apex it becomes the perfect for anyone wanting to experience a HD video feed.The Apex shatters the glass ceiling in frame design.Through a process of continuous refinement and always striving to Impulse RC has created a new breed of freestyle frame. The Apex does not compromise in stiffness or durability, so you never have to between and performance.Unique design new to the FPV world make your build and maintenance more simple than ever before. Toughness of the frame itself is increased while also offering much better protection for your investment in-flight electronics.This is what you have been for include durable, high-qualityabrasion-resistant glass-filled nylon molded parts by HQ Prop (skids, bumpers, antenna mounts), unique arm design allowing for more strength and simple maintenance - arms can be decoupled from frame with just 2 bolts and will not disturb electronic stack.Specifications:Arms: 5.5mmKey: 5mmLower Main: 2.5mmUpper Main: 2mmTop: 2mmCamera Sides: 2mmWheelbase: 5inch 225mm/ 6inch 260mm/ 7inch 295mmSTANDOFF HEIGHT: 28mmRear: 20mmweight:147g(5inch)Colour: dark grayMaterial: carbon fiberPackage Contents:1 x drone frame kitOnly the above package content, other products are not included.Note: Light and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.