Feature:1. ALUMINUM ALLOY CONSTRUCTION: Crafted from high strength aluminum alloy and treated with anodization, this transmitter protector frame features a smooth, wear resistant surfaces. Its excellent weather resistant ensure that it remains bright and new even after prolonged use.2. STRONG SCRATCH PROOF: The protective cover is designed to be fully enclosed, not only scratch resistant, but also effectively prevent bumps, ensuring the safety of the remote controller in various environments.3. CNC MACHINING: Every component is manufactured using CNC precise machining technology, ensuring that each detail is meticulously crafted. This ensures no looseness or gaps after installation, providing a solid and dependable support that enhances the overall user experience.4. WIDE COMPATIBILITY: Suitable for Noble NB4, for Noble Lite, and for NB4 PRO. Users can choose the appropriate accessories for their equipment, easy to install and strong compatibility.5. COMPREHENSIVE GUARD: Metal frame protective cover effectively protects the display screen and edge of the remote controller, prolonging the lifespan of the remote controller by avoiding damage from accidental collisions or drops.Specification:Item Type: Transmitter Protector FrameMaterial: Aluminum Alloy.Package List:4 x Protective Frame Accessories4 x Screws