The D756USTi features WXGA resolution and 3,300 ANSI lumens for clear and sharp projection. It comes with built-in dual-pen interactivity and can be further extended to 10-finger-touch with the optional finger-touch module. The projector is made with eco friendliness in mind with various features including sleep timer and auto-power-off when there is no signal input to be energy conscious. Its 2x10W speakers and microphone input make sure you are clearly heard.