Casio Pro Series Laser & LED Hybrid Projectors produce 4000 lumens the highest brightness projector without a mercury lamp! Virtually maintenance free Casio Pro Series Projectors have a 3 year/6000 warranty. All models feature a 1.2X manual zoom 10 watt speaker are DLP 3D ready with XGA resolution. The XJ-H1650 USB model adds Interactive Whiteboard when the optional Input Pen is purchased. The USB model also allows for PC-less or Wireless Presentations and adds RJ-45 connectivity.