Quiet 29-d B design does not interrupt meetings or classes Low standby power consumption of 0.47 W Real-time keystone correction automatically corrects vertical image distortion The auto setup function enables auto input signal search & guidance functions for easy projector operation Complete with basic terminals, two computer input Easy remote monitoring & control 1 W speaker enables audio playback directly from the projector Presentation support/control tools such as presentation timer, freeze function, & digital zoom Color-board & blackboard modes adjust the colors to provide high quality projection possible in rooms that dont have a screen Direct power off right after use Effective theft prevention with the startup logo Projector identification system for remote control allocation of up to six projectors Built-in closed caption decoder