Technically working flash with 3 bolts/pins mount. It has a detachable hot shoe so it can be replaced to fit any camera. Flash head can be tilted 90 degrees and swirled 180 degrees. Designed with adjustable 2 ways lightning(front and top). This is a professional bounce flash unit for studio use. Made by OSRAM GmbH, Berlin/Munich, Germany (At the rear lower part, it shows Japan).Requires 4 AA size batteries to operate(not included).