The ZW350e is one of Optoma's most compact and hassle-free WXGA DuraCore laser projectors to date. Designed for maintenance-free continuous operation, this 4000-lumen projector delivers powerful image performance with flexible installation features and extensive connectivity options in a sleek, compact form factor, up to 34% smaller than previous Optoma models,An added benefit, the ZW350e features an external power supply offering more reliability, portability and energy efficiency.,Bright WXGA laser projector - 4000 lumens and IP6X certified,Reduced power consumption for a long life span - DuraCore laser technology delivers 30,000 hours maintenance free laser light source,Compact for easy installation - 1.1x zoom, 360- degree and portrait projection,External power supply - More reliability, portability and energy efficiency