Check the listing for details. DuKane 663 Overhead Projector Mod 28A663 - 360 Watts - Excellent Condition. Condition: Used. Listed at 225.00 USD. Up for your consideration is a DuKane 663 overhead projector, model number 28A663. It’s a very nice unit. The design is thoughtful and built with portability in mind, but it acts like a real desktop style unit. It uses 360 watt bulbs so it’s very bright. A built-in spare bulb selector is very convenient, in that if one bulb goes bad, the second bulb will take over without stopping the presentation. Currently one bulb is good, the other will need to be replaced. The bulb is easily purchased on-line. It’s been well taken care of so everything is in excellent condition. Includes attached power cord and vinyl cover. If you have any questions about the item or the shipping methods we offer, feel free to call. Our number on the West Coast is 541 758-5271. All shipping is paid by the buyer. Thank you for visiting us on eBay.