The benq mh740 is the brightest choice to perfect your presentation in all settings featuring full hd resolution with 4000 ansi lumens and 110001 high contrast ratio the mh740 makes your presentation perfect and confident with the built in speaker the mh740 can be used as an audio system when its on the standby mode this saves you the trouble as well as the extra budget for getting a separate audio system mh740 15x big zoom feature opens up space with an impressively wide range of throw