Power Saving, Eco Friendly World-Leading Smart Eco Technology for a Greener Environment As the first DLP brand to incorporate Philips' Image Care technology into its projector lamp system, Ben Q has taken a further leap, developing its own Smart Eco Technology to perfect what DLP can do for energy saving in the 21st century classroom. Built with this brand new invention, the MX620ST brings together uncompromised brightness, exquisite picture quality & optimized lamp life through innovative features. Smart Eco Mode The Smart Eco Mode, which cleverly adjusts the lamp power to maximize power saving by delivering the best contrast & brightness performance using only as much light as needed. Lamp Save Mode Projector lamp replacement costs make up the biggest part of the total cost of projector ownership. The Lamp Save Mode is designed to adjust the lamp power dynamically by content brightness level to extend projector lamp life significantly by 50%! The lamp replacement frequency is also reduced by up to 50% to lower the replacement costs. Eco Blank Mode The Eco Blank mode allows teachers to blank the projection screen whenever they need to direct their students' focus back on them – or simply when the projector is not in use. When activated, this special feature dims the lamp power automatically, lowering the total power consumption by 70%. No Source Detected Mode The automatic switch to Eco Blank Mode after the projector is turned on for over three minutes without a display source, eliminating unnecessary energy waste & prolonging the life of the projector lamp. 0.5W in Standby Mode When inactive, the MX620ST keeps power consumption to a minimum with 0.5W standby power, achieving what was once a challenge for earlier projector models. This technological advancement in energy saving certainly helps extend the projector lamp life & lower energy costs. Audio Pass Through With the built-in speaker, the MX620ST can be used as an audio system when it's on the standby mode. This saves you the trouble as well as the extra budget for getting a separate audio system. Blu-ray Full HD 3D Supported Ben Q MX620ST is built with latest DLP technology to support 3D functionality, allowing schools to bring an immersive learning experience to their students with a simple preparation of 3D glasses & 3D content from your blu-ray player. The Good Things that Come in Short Distances Zero Space Constraints Just imagine the freedom of having the same projection quality with half the required distance! You'll have better flexibility in choosing your projection locations! That's the magic of short-throw! Zero Eye-Blinding Lights The short-throw projection distance keeps the projector light from shinning directly into your eyes, allowing you to keep your focus on your audience. Zero Disruptions Say goodbye to the annoying shadows. With a projection distance this close, you can move freely without worrying about obstructions between the projector & the screen! Quick Installation By pressing Quick Intall key on the remote control, installer can quickly acces to installation related functions in the OSD menu. Hassle-Free Projector Maintenance Upper Lamp Door for Easy Lamp Access The upper lamp door is designed for it managers to replace the projector lamp safely & quickly. should the projector lamp go out in the middle of the class, it can be replaced without delaying the class. Thoughtful Design Auto Power Off Automatic power off after the projector is turned on for over thirty minutes without a display source, eliminating unnecessary energy waste & prolonging the life of the projector lamp. Auto Blank for Safe Use Auto Blank is an eye protection feature designed to ensure safe use. It enables the MX620ST to detect movements within 20 centimeters* in front of the lens & cut off the projection light automatically. * Effective distance at arount 20cm; may vary by ambient light levels & the color of reflected objects Wireless Display with Laptop, Tablets & Smart Phones Insert a Wi Fi dongle into the USB (Universal Serial Bus) flash drive slot to display contents from your PC, MAC, iPhone & iPad to MX620ST through Wireless Display feature.