Features: Powerful extension: The cage is equipped with 1/4 and 3/8 threaded holes, cold shoe slots for external connectors. Used for external microphone, light and other accessories. Multi-functional expansion: Equipped with multiple cold shoe port and screw holes, you can easily install microphone, lights and other accessories to meet different needs. Lightweight Material: from high-strength aluminum alloy, it is durability and lightweight, easy to carry. Superior heat dissipation: The open design effectively enhances heat dissipation and prevents the equipment from overheating, which help to prolonging the service life of the camera. Professional photographers, video producer and camera users who need to expand their equipment. Specifications: Size:about14.6x10.7x6.2cm/5.75x4.21x2.44in Component: Aluminum Alloy For A7M4 A9II A7s3 A7IV Camera Cage Package Includes: 1PC Video Camera Cage note: Due to the problems of lighting effect, there will be certain tolerances in the product, please understand. Please allow 0-1cm error due to the manual measurement. Not include Camera.