Sony VCT-CGR1 Camera Cage for RX0 1.0-type sensor ultra-compact camera Expandability - This cage accessory has a total of 35 screw holes (1/4-inch-diameter) in four faces (top, bottom, and sides), to allow future expandability and system flexibility. Operability - Button operation and media insertion and removal are possible while the camera is attached to this cage. Cable terminals for HDMI and microphone are also accessible, without detaching the camera from the cage. This cage is designed for quick attachment to and detachment from the camera. You gain freedom to set the system without sacrificing other operability.