1. The size of V7 is bigger than V5, if you need a portable one, you can choose V5 2. The brightness of V7 it birght than V5, 600ANSI Lumens, V5 is 500 ANSI Lumens 3. The sound of V7 is louder than V5, professional speakers 4. Everything else is basically the same🙂🙂🙂... #4kprojector #3Dprojector #SmartProjector #3d #portableprojector #HomeProjector See More
