Dependable performance. Practical features. Real value. When your organization needs dependable daily-use projection at a smart price, the W405LVe delivers where it counts. Bright enough for any room. 4,200 lumens and a 30,000:1 contrast ratio keep presentations sharp and legible even in fully lit classrooms and conference rooms. WXGA resolution handles everything from slide decks to spreadsheets with crisp, professional clarity. Easy to install and easier to use. Flexible throw ratio, 1.1x manual zoom, and +/-40 Degree keystone correction mean quick, hassle-free setup in virtually any space - no IT headaches, no rearranging furniture. A built-in 10-watt speaker and HDMI, VGA, and composite inputs keep things simple from day one. A long-term investment that pays off. Up to 15,000 hours of lamp life in Eco+ mode means years of reliable performance with minimal maintenance - a clear win for budget-conscious schools and organizations. Amazing colors Give powerful presentations and educational lessons with stunning colors. Optoma projectors provide reliable color performance suitable for any content and environment. From accurate sRGB colors for lifelike images to vibrant punchy presentations. We have a display mode to meet your needs. Perfect for a wide range of graphic and video presentations. Superior contrast Add more depth to your image with a high contrast projector. Compared to competing technology, Optoma DLP projectors provide you with brighter whites and ultra-rich blacks, images come alive and text appears crisp and clear - ideal for business and education applications. Full 3D Optoma projectors can display true 3D content from almost any 3D source, including 3D Blu-ray players, 3D broadcasting and the latest generation games consoles. Integrated speakerA powerful built-in 10-watt speaker provides exceptional sound quality and an easy setup without the need for costly external speakers.Eco+ Eco+ technology brings together high contrast, improved lamp life and energy saving features that are easy to use while reducing power consumption.Quick resumeThis feature allows the projector to be instantly powered on again, if it is accidentally switched off.Eco AV mute Stay in control of your presentation with Eco AV mute. Direct your audience's attention away from the screen by blanking the image when no longer needed. Direct power onThe projector will start up instantly when power is supplied to the unit. This eliminates the need to manually turn on the projector via the remote control or the keypad, ideal for use in rooms with a "master" power switch.Auto power offThere may be instances when the projector is left running when not in use. To help save energy, the "auto power off" feature automatically turns off the projector after a set period of time if it is not being used.