Ideal for use in a meeting room or classroom, the DS311 has a bright 2800L & 13, 000:1 contrast allowing you to project bright, crystal clear images with superb colours using DLP & Brilliant Color™ technologies. Incredible lamp life of up to 10, 000 hours combined with Eco+ technology provides energy & money saving features. Installed or on the move, the versatile DS311 incorporates HDMI, built in speaker, Full 3D technology & optional wireless capabilities that are easy to use. Bright Images Project in ambient light conditions with the ultra bright 2800 ANSI Lumens. Ideal for meeting rooms & classrooms. Cost Saving – Long Lamp Life Reduce the number of lamp changes with lamp life of up to 10, 000 hours&sup 2; using the Education Cycle. Clear, Focused Images Produce a stunning 13, 000:1 contrast ratio for pin sharp graphics & crystal clear text using the unique Dynamic mode feature. Combined with Dark Chip 3 technology for Texas Instruments, Dynamic mode automatically adjusts the lamp output, based on the brightness information of each frame; to create a stunning high contrast ratio. Bright scenes are crisp & clear, while dark scenes remain detailed with deep blacks which gives exceptional light & shade detail. Eco+ Mode Saving energy saves money! Eco+ technology reduces the power consumption to as little as 30%. This intelligent feature can more than double your expected lamp life, lowering the total cost of ownership & reducing maintenance. Auto Power Off There may be instances when the projector is left running when not in use. To help save energy if the projector is left running & no source is detected, the " Auto Power Off" feature automatically turns off the projector after a set period of time. Eco AV Mute Stay in control of your presentation with the Eco AV mute feature. Direct your audience's attention away from the screen by blanking the image when no longer needed. This also instantly reduces the power consumption to 25%, further prolonging the life of your lamp. Audio Capability Built-in 2W speaker offers excellent audio support. The DS311 is easy to set up without the need for costly external speakers. Amazing Colours The DS311 incorporates Brilliant Color™ technology to produce stunningly bright images with perfectly balanced life-like colours. We are so confident that the DS311 image colour quality will remain as good as the day you bought it that we will guarantee it for five years. The DS311 incorporates Brilliant Color™ multi-colour processing technology to bring stunning, vibrant colour to your screen. Using six separate primary & secondary colours to produce a new level of colour performance & control; Brilliant Color™ increases colour brightness by up to 50% over other technologies to create accurate true to life images. Rapid Off It takes less than 10 seconds for the projector to power up & shutdown, saving both time & energy. Quick Resume Save time by not waiting for the projector to cool down before it can power up again. If the projector is accidentally turned off, this feature allows the projector to be instantly powered on again, if selected within a period of 100 seconds. Easy Lamp Replacement Top loading lamp cover allows easy access to replace lamps without having to remove the projector from the mount. Full 3D Using the inherent speed of DLP technology, The Optoma DS311. Full 3D projector can display true 3D content form any 3D display device, such as 3D Blu-ray, PS3, Xbox & Sky 3D. Remote Mouse Keep your audience’s attention focussed on the right things using the simple, yet powerful remote with USB (Universal Serial Bus) mouse control. Wireless Presenting (optional extra) Making presentations couldn't be easier using the optional wireless features of the DS311. Using the Wireless Adapter you can connect & display presentations & video material wirelessly from a laptop, PC or mobile device. (Additional power required)