This projector has built in interactivity allowing touch control with either the pens (which are supplied as standard) or your finger. This is great for collaborating with the students and is an extra tool for them to get hands on with the teaching material and to aid their learning. At 3500 lumens, this projector will display a very bright image even in the lightest of rooms, with the lights on – keeping a safe working environment – but it also has Eco features and will allow you to turn the brightness down if necessary when it is slightly darker. The WXGA resolution is perfect for connecting to modern laptops and desktop computers via either HDMI, VGA or USB, and will comfortably project videos, presentations and spreadsheets in fine detail. This unit has 3 HDMI ports! The 16W speaker is impressive too, and is plenty for even a large classroom, so no need for any additional speakers – saving money. If you purchase the EB-695Wi projector then you know it will be reliable and Epson always have good build quality and a strong 3 year warranty.