First, the product features: 1, aluminum alloy, with standard hot shoe (adjustable width); 2, can be used for camera flash off the transfer adapter such as tripod. Aluminum alloy processing. Hard surface oxidation, durable wear. Thread is a universal 1/4 tooth. Above placed a variety of top-mounted flash. Side of the adjustment knob. Used to fix the lamp, cheap and cheap. The bottom is 1/4 port, can be on the tripod, the flash can be mounted above.