The ZW350ST is one of Optoma's most compact and hassle-free WXGA DuraCore laser projectors to date. Designed for maintenancefree continuous operation, this 3600-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 ZW350ST features an external power supply offering more reliability, portability and energy efficiency.