This is a studio photography lighting unit from the brand SheYing, model XY-500W. Power and Brightness: The unit provides continuous lighting with a power of 500W, suitable for studio photography and videography. Control: It features an easy-to-use rear knob for smooth dimming of light intensity, along with an on/off switch. Cooling: It is equipped with a built-in, ultra-quiet cooling fan and overheat protection to ensure long operating periods. Accessories: It typically comes with a standard "Bowens Mount", allowing for the attachment of various lighting accessories such as softboxes and umbrellas, and power cord