The newest H17 model is smaller and lighter than its already compact original. The smallest version is under a foot in diameter, and the entire series offers incredibly high output, replacing up to 400W metal halide while achieving even higher efficiency than before.all at a very low price. It has an ingress protection rating of IP65 for dust and water, DLC Premium Listed, and UL Listed, suitable for wet locations. The Rab Lighting H17XXLB features include die-cast aluminum housing black finish with a hanging hook and a 6-foot cord, 120-277V 0-10V dimming standard, field adjustable light output of 500W/400W/300W, and color temperature selectable by 3000K, 4000K, and 5000K.