FeaturesResolution: WXGA 1280 x 800pScreen size: up to 150\"HDMI / VGA / USB / Mini USBFinest crystal glass lensesExclusive colour modes calibrated to suit your needs4000 Lumens 15000: 1 ContrastHigh brightness & contrast images even in well-lit meeting rooms.Crystal-Clear ImagesAll glass lenses for image quality in brilliant clarity.Detailed InfographicsExclusive Infographic Mode showcases the text and graphics in detail.Retractable Adjustment FootFar superior to projectors with only one adjustment foot the triple adjustment feet including a retractable foot enhance flexibility in a wide variety of meeting rooms.Vertical Keystone for Perfect AlignmentCountering the trapezoid effect when the projector must be placed off-centre vertical keystone function adjusts the image for a professionally squared image.Wall Colour CorrectionCorrects the projected picture’s colour when the projection surface is not white. It adjusts the projected picture’s colours to prevent possible colour difference between the source and projected pictures.Use Your Wall as ScreenNo need for a special screen to use this projector. Simply use the wall to project on. No white wall? Not a problem! Projecting onto a coloured surface such as a painted wall is easy with BenQ’s Wall Colour Mode. (Light) Yellow Pink (Light) Green Blue and Black (board) walls are also suitable to project on. You only need a flat surface and the projector does the rest.Presentation ModeDesigned for presentations with vivid colours. In this mode the brightness is emphasized to match PC and notebook colouring.Infographic ModeGreat for showcasing the text and graphics of infographic in detail thanks to the high brightness and better colour gradation.Top Lamp Door for Easy-Access Lamp ChangesConveniently placed on top allowing fast lamp maintenance and replacement when the projector is ceiling mounted in meeting rooms.Kensington LockDesigned to secure tabletop projectors the Kensington lock interface provides “physical” security.Anti-Dust Accumulation SensorRejects dust accumulation enhancing device durability and hence reducing maintenance costs.SmartEco ModeConserving up to 70% of lamp power for a lamp life of up to 15000 hrs.