Bright 4K UHD DuraCore laser projector - 5100 lumens, 300,000:1 Contrast Ratio, and IP6X certified Compact for easy installation - 1.6x zoom, 360-degree and portrait projection Miracast Wireless Projection via OS Native support, no app to install, OMSC (Optoma Management Suite Cloud), FOTA Reduced power consumption for a long life span -DuraCore laser technology delivers 30,000 hours maintenance free laser light sourceThe ZK551 is a compact High Brightness 4K UHD DuraCore laser projector featuring Miracast Wireless Display. Casting and Screen Mirroring without the need for an app or local network. Simply use the native Casting and Screen Mirror support in Windows, Mac OS, iOS, and Android to display presentations, videos or share an entire screen in seconds. ZK551 also supports LAN Control for management of critical functions via Optoma's own OMSC (Optoma Management Service Cloud), Crestron, PJLink, and AMX.