Purchased from Amazon 4 or 5 years ago. Continuous Lighting Panel, Bi-Color, Dimmable 3200-5600K One of the washers (?) on the screw that secures the frame is missing (see photo 10). It has been working without any particular problems. [660 LED Bulbs] The panel light has 330 white LEDs and 330 yellow LEDs, long-life bulbs, and emits a variable white balance from tungsten to daylight, 3200-5600K.