Feature: 1. Quick release plate is specially designed for Sony ZV1, which fits closely. Battery compartment is reserved to facilitate battery replacement. 2. Comfortable hand to increase the sense of holding, after the installation of the base, to solve the problem of little thumb leakage. 3. Designed with cold shoe interface, can expand the microphone fill light and other equipment. 4. Aviation aluminum alloy material CNC integrated molding process to create a strong and durable. 5. Surface is treated by anodic oxidation to prevent corrosion and rust. Rubber cushion is embedded in the bottom to protect the camera from wear and tear. Specification: Item Type: Metal Expansion Base Board Bracket Material: Alloy Weight: Approx.49g/1.7oz Interface: 1/4in Screw, 1/4in Screw Hole, Cold Shoe Port, Dovetail Oblique Port Applicable Models: for Sony ZV1 Full Frame Mirrorless Camera. Package List: 1 x Expansion Plate1 x Wrench