600 watt digi lumatek. newer purple model. (with warranty), out of box, used for a few months. no problems whatsoever. I also have a new in box, adjust a wing reflector and light spreader. does anybody want to make me an offer for the whole bundle or maybe just interested in the ballast? i can deliver to anywhere in miami-dade or broward. or i can box and send 'er out any way you please.