The expansion box comes with multiple 1/4, 3/8 threaded holes, 1/4 positioning holes, cold shoe and other expansion interfaces, which can freely expand more functions Unique designing allows for quick sliding of the handle, flexible positioning, and precise positioning through repeated disassembly and assembly Precise hollowed designing, without affecting battery compartment, body interfaces, fill light and more Adopts streamlined designing, perfectly fit the camera, ergonomic designing, not block button position, and is comfortable to hold Compatibility with standard tripods and stabilizers, it can quickly switching between handheld, stabiliser, and tripods scene