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