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 MX505 brings together uncompromised brightness exquisite picture quality & optimized lamp life through innovative features. 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. 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.