The ph-a from falcon eyes is a handy tool that allows you to attach your favorite equipment to a light stand in seconds. normally you are endlessly turning the light stand before your camera or led light is completely fixed. with the ph-a you fasten this process. at the bottom of the ph-a is a 1/4" female screw thread, which you tighten once on the lamp stand. on the ph-a quick-release plate, you will find a 1/4" male screw thread, for screwing on the underside of the accessory to be attached. the handle of the ph-a guarantees a secure attachment. the built-in bubble level shows at a glance whether the light stand is on a flat surface. Usage ph-a Sometimes it is necessary to place a led lamp or microphone on a lamp stand. loosening and fastening can take a considerable amount of time. you solve this problem with the ph-a quick release plate.