The Acer K520 XGA 2000 Lumens DLP Projector uses unique hybrid LED-laser light-source technology to achieve vibrant imagery with long-lasting 2000 lumens brightness. The hybrid LED-laser light source significantly improves color brightness when compared to high-pressure mercury lamps, & also increases the light source up to 20, 000 hours. In addition, this innovative technology enables a wider color gamut to deliver better color saturation. * Did you know all Acer Projectors come with a 2 year hardware warranty & 1 year Lamp warranty?? IF you are public sector, you can register for a Free warranty upgrade to 3 years!! Next business day de/re install on the hardware & 3 years unlimited lamp warranty! If things do go wrong.... Acer aim to repair & return your projector In 2 working days of receipt! For Public sector they aim to be on site the next business day.