The Acer P7500 with its 4000 ANSI lumens is specifically designed for installations in large conference rooms, lecture auditoria or large class rooms. It offers high contrast & excellent brightness without the need to darken the rooms. It is suitable for presentations as well watching films or sport events. Full native 1080p widescreen resolution delivers a true cinematic experience for the latest high-def content. 1080p is the perfect fit for widescreen movies created in Blu-ray Disc (TM) & HDTV formats. HDMI port provides easy connectivity to high-definition displays & home theater systems while a fully digital DVI-D port supports HD digital signals & HDCP for secure connection to a variety of media sources. * 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.