The image shows a blue-colored electronic ballast with a black knob on the right side. The ballast has a capacity of 400W, 600W, and 660W. There is also a label on the front of the ballast that reads "Electronic Ballast for LED lamps". The label also mentions that the product is 250W and has an output of 250W.
User haskeliii uploaded the image
User haskeliii uploaded the image
