Good product and terribly efficace.Peu costly and serious construction. But attention.Cette cell only work effectively if you have the option to disconnect the automatic synchronization of your flash.Sinon not done properly and your pictures will be too dark and your two flashes less than a walk seul.Pour the cobra type flashes on an SLR no problems! With a pocket-type camera, the flash can not be "desautomatiser" and even in position "no red-eye correction" the photo will be missed. In manual flash configuration on an SLR you transform any flash torch lighting appoint.Sur of a foot and "umbrella" is a professional small price.