[For Alpha 7R V/Alpha 7 IV/Alpha 7 S III]: SmallRig Cage Kit 3669 includes a cage, a clamp for HDMI cable , a top handle and a side handgrip. It is designed to reduce armload and increase stability during handheld shooting while offering a wide range of accessory mounts. It is designed for Sony Alpha 7R V, Alpha 7 IV and for Sony Alpha 7 S III | [Two-point Locking]: Mount the camera onto the cage with an integrated 1/4"-20 screw, and use the two side locking plates(one for Sony Alpha7S III, one for Alpha 7 IV ) to prevent twisting. To use the side locking plate, please remove the split ring on the left side of the camera first. Please note that the camera strap eyelet is occupied when using the side locking plate | [All-round Protection]: Adopted aviation aluminium and formfitting design for security and durability. The Alpha 7 IV cage features built-in protective pads that prevent the camera from being scratched. It maintains access to the camera's controls and hot shoe and features when the camera mounted | [Multiple Mounting Points]: The cage features one integrated shoe mount, multiple 1/4"-20 threads and a 3/8"-16 locating hole for ARRI. The cage also has a built-in NATO rail on the side, and it also features strap slots for a separately available neck or hand strap. A magnetic flat-head screwdriver & Allen wrench is stored on the bottom of the cage to secure the mounting screw | [Top handle & Side handgrip]: Come with a top handle for low-angle shot and a side handle for increased stability. The top handle feels comfortable and enables easy carrying at a low-angle shot. The side grip features a silicone insert for better grip and more stable shooting.Handle features 1/4"-20 threaded holes, 3/8"-16 locating holes for ARRI, built-in cold shoes for mounting microphones, LED lights, monitors, etc. | [Clamp for HDMI Cable ]: The clamp for HDMI cable , mounted onto the left side of the cage via one 1/4"-20 screw and two locating pins, prevents deflection and fixes cables with a thumbscrew to protect interfaces and ensure stable signal transmission. NOTE:This cable clamp is not compatible with Sony Alpha 1. Clamp for HDMI Cable interferes with the synchroterminal interface when used on the Alpha 7R V camera | [Power Backup Solution]: SmallRig NP-FZ100 camera battery charger set is available now, two 2040mAh(Real) rechargeable batteries and a charger brings long battery life for your videos and photos shooting, if you need a sufficient power supply, please search SmallRig NP-FZ100 Battery 3824