Feature: 1. Multiple Expansion Ports: Quick switchable devices with multiple 1/4in and 3/8in screw holes, for Arri positioning holes and for Arca dovetail slots for use with external monitors, follow focusers, tripods, microphones, etc. The bottom is equipped with a 1/4in fixed camera screw, which can be directly connected to the stabilizer. 2. Heat Dissipation Porous Design: Multi hole design around the maximum weight reduction of the cage, thus reducing the physical energy consumption, does not affect the battery replacement. 3. Real Modeling Design: Does not cover the battery compartment, function buttons, flip screen can be used normally, for FX30 FX3. 4. Easy Disassembly: The product is also designed with a disassembled structure, so users can disassemble the product for cleaning by simply using a wrench to easily unscrew the button. 5. Durable Material: Made of aluminum alloy, CNC machined surface anodized, corrosion resistant, sturdy and durable. Specification: Item Type: Camera Cage Material: Aluminum Alloy Applicable Models: for FX30 FX3 Weight: 245g / 8.64oz. Package List: 1 x Camera Cage1 x Expansion Board3 x Screws2 x Wrench