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. 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 4,000-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. To support Optoma s commitment to sustainability, the ZW350e cuts power consumption by up to 45% compared to Optoma s lamp-based projectors. Energy-saving DuraCore laser technology ensures a long product lifespan of up to 30,000 hours without the need for additional lamps, requires minimal maintenance, and is mercury-free, further lowering its carbon footprint. An added benefit, the ZW350e features an external power supply offering more reliability, portability and energy efficiency. Designed with the environment in mind, the eco-friendly packaging contains up to 97% recyclable materials. In addition, the compact product and packaging size of the ZW350e projector allows 2x more products carried per container, resulting in more efficient logistics to help further reduce carbon emissions. The ZW350e is geared for conference rooms, boardrooms, and other corporate spaces. For ultimate convenience it comes with an RS232 connection for monitoring and controlling and a built-in speaker.