{"product_id":"optoma-zk431st-4k-uhd-short-throw-laser-business-education-projector","title":"Optoma ZK431ST 4K UHD Short Throw Laser Business Education Projector","description":"The Optoma ZK431ST is a compact 4K UHD short throw projector engineered for budget-conscious education and corporate environments. Featuring DuraCore laser technology, it delivers 4,100 lumens of brightness and up to 30,000 hours of maintenance-free operation, eliminating the need for lamp replacements. Its native 4K UHD resolution ensures sharp, readable text and detailed imagery for presentations. The projector offers versatile installation options, including four-corner correction, keystone adjustment, and 360-degree projection capabilities. Designed for sustainability, it is built with over 50% recycled materials. Users can easily manage device settings and alignment via the Optoma Smart Control App.\u003cbr\u003e\u003cbr\u003e\u003ctable width=\"100%\"\u003e\n\u003ctbody\u003e\n  \u003ctr\u003e\n    \u003ctd\u003e\u003cstrong\u003eTechnology\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd\u003eDLP\u003c\/td\u003e\n  \u003c\/tr\u003e  \u003ctr\u003e\n    \u003ctd\u003e\u003cstrong\u003eResolution\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd\u003e4K UHD (3840x2160)\u003c\/td\u003e\n  \u003c\/tr\u003e  \u003ctr\u003e\n    \u003ctd\u003e\u003cstrong\u003eBrightness\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd\u003e4,100 Lumens\u003c\/td\u003e\n  \u003c\/tr\u003e  \u003ctr\u003e\n    \u003ctd\u003e\u003cstrong\u003eContrast Ratio\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd\u003e300,000:1\u003c\/td\u003e\n  \u003c\/tr\u003e  \u003ctr\u003e\n    \u003ctd\u003e\u003cstrong\u003eLight Source\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd\u003eLaser\u003c\/td\u003e\n  \u003c\/tr\u003e  \u003ctr\u003e\n    \u003ctd\u003e\u003cstrong\u003eLight Source Life\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd\u003e30,000 hours\u003c\/td\u003e\n  \u003c\/tr\u003e  \u003ctr\u003e\n    \u003ctd\u003e\u003cstrong\u003eThrow Ratio\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd\u003e0.496\u003c\/td\u003e\n  \u003c\/tr\u003e  \u003ctr\u003e\n    \u003ctd\u003e\u003cstrong\u003eSpeaker\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd\u003e1 x 15W\u003c\/td\u003e\n  \u003c\/tr\u003e  \u003ctr\u003e\n    \u003ctd\u003e\u003cstrong\u003eNoise Level\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd\u003e29 dB(A)\u003c\/td\u003e\n  \u003c\/tr\u003e  \u003ctr\u003e\n    \u003ctd\u003e\u003cstrong\u003eConnectivity\u003c\/strong\u003e\u003c\/td\u003e\n    \u003ctd\u003e2 x HDMI 2.0, 1 x VGA, 2 x USB-A, RJ45, RS232\u003c\/td\u003e\n  \u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Optoma","offers":[{"title":"Default Title","offer_id":46235453096132,"sku":null,"price":2299.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0690\/4951\/6228\/files\/scOsZT8iTdn7gShB5bt209T2wREKESldaUPUtlfZ.jpg?v=1781116895","url":"https:\/\/protechprojection.com\/products\/optoma-zk431st-4k-uhd-short-throw-laser-business-education-projector","provider":"Protech Projection Systems","version":"1.0","type":"link"}