Bright Full HD 1080p DuraCore laser projector - 4000 lumens and IP6X certified. Compact for easy installation - 1.1x zoom, 360- degree and portrait projection. Reduced power consumption for a long life span - DuraCore laser technology delivers 30,000 hours maintenance free laser light source. External power supply - More reliability, portability and energy efficiency The ZH400 is one of Optoma's most compact and hassle-free Full HD 1080p 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 ZH400 features an external power supply offering more reliability, portability and energy efficiency