{"product_id":"optoma-zk431st-4k-uhd-short-throw-laser-projector","title":"Optoma ZK431ST 4K UHD Short Throw Laser Projector","description":"\u003ch1\u003eOptoma ZK431ST – 4K UHD Short Throw DuraCore Laser Projector\u003c\/h1\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cstrong\u003eEco-friendly compact high brightness 4K UHD short throw laser projector\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003eThe ZK431ST is one of Optoma's most compact and hassle-free 4K UHD DuraCore laser projectors to date. Designed for maintenance-free continuous operation, this 4100 ISO 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.¹\u003c\/p\u003e\n\u003cp\u003eTo support Optoma's commitment to sustainability, the ZK431ST cuts power consumption by up to 45% compared to Optoma's lamp-based projectors.² 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.\u003c\/p\u003e\n\u003cp style=\"text-align: left;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2577\/1494\/files\/b8c21e0e-5cbc-442c-bedb-db6db2374704.jpg?v=1789561426\" alt=\"\"\u003e Based on the comparison of the 2023 Optoma mainstream laser projectors and its previous generation. ² Comparison of 2023 Optoma mainstream laser projectors and its equivalent lamp-based counterparts. ³ Based on the packaging of 2023 Optoma laser projectors. **Optoma Smart Control App compatible with selected 4K projector models with compatibility for Full HD models pending... for more information please contact your local Optoma service point.. Smart Control app available via RJ45 or optional BT dongle sold separately.*\u003c\/p\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; border: none; height: 19.5938px; margin-left: 0px; margin-right: auto;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 50%; padding: 0; vertical-align: top; height: 19.5938px; border: none;\"\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 50%; padding: 0; vertical-align: top; height: 19.5938px; border: none;\"\u003e\u003cbr\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2577\/1494\/files\/pic-1_835f33d3-d3e8-4824-9fd3-882f18ce5f38.gif?v=1789625699\" alt=\"\"\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cbr\u003e\u003c\/h3\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cstrong\u003eDesigned for the future\u003c\/strong\u003e\u003cbr\u003eWe are committed to reducing the overall environmental footprint of our products so we can do right by the planet.\u003c\/p\u003e\n\u003cp style=\"text-align: center;\"\u003eDesigning innovative products with sustainability in mind considers every phase of a product's lifecycle, from design, manufacturing, packaging, and logistics, to usage.\u003c\/p\u003e\n\u003ch3\u003e\u003cbr\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2577\/1494\/files\/782_1d00e8d5-4e33-4e98-9cd8-5a4ca6c87a84.jpg?v=1789625789\" alt=\"\"\u003e\u003c\/h3\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cstrong\u003eTrue 4K UHD resolution\u003c\/strong\u003e\u003cbr\u003eUltra HD 4K resolution delivers sharper, life-like images and richer colours - allowing you to sit closer to the screen and enjoy a more immersive experience.\u003c\/p\u003e\n\u003cp style=\"text-align: center;\"\u003eOur DLP projectors provide CTA (Consumer Technology Association) approved True 4K UHD resolution, capable of projecting 8.3 million on screen pixels. That's four times more detail than Full HD and twice as many from competing technology, which only delivers 4.1 million pixels.\u003c\/p\u003e\n\u003ch3\u003e\u003cbr\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2577\/1494\/files\/730_8ac26737-be8d-4584-a92b-c2109aeb5df5.jpg?v=1789625883\" alt=\"\"\u003e\u003c\/h3\u003e\n\u003cp style=\"text-align: center;\"\u003e\u003cstrong\u003eLights on viewing\u003c\/strong\u003e\u003cbr\u003eThis versatile projector combines high brightness and vivid colours for vibrant, true-to-life visuals in any environment*. Make a lasting impression with bigger and bolder presentations any time of day.\u003c\/p\u003e\n\u003cp style=\"text-align: center;\"\u003e*With no direct sunlight or lights directed on screen.\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2577\/1494\/files\/732_f6b9290e-85b9-4f7b-9810-ee80161bc1e6.jpg?v=1789625949\" alt=\"\"\u003e\u003c\/p\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; border: none;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 47.7876%; padding: 0px; vertical-align: top; border: medium none currentcolor;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2577\/1494\/files\/40_d0294262-3ba0-4293-a598-265f7a6ae93a.png?v=1789478091\" alt=\"\" style=\"width: 100%; display: block;\"\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 52.2124%; padding: 0px 12px; vertical-align: top; border: medium none currentcolor;\"\u003e\n\u003ch3\u003eLights on viewing\u003c\/h3\u003e\n\u003cp\u003eThis versatile projector combines high brightness and vivid colours for vibrant, true-to-life visuals in any environment*. Make a lasting impression with bigger and bolder presentations any time of day.\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 47.7876%; padding: 0px; vertical-align: top; border: medium none currentcolor;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/2577\/1494\/files\/102_a1868fdf-01ff-469e-a29f-d396786ab183.png?v=1789478065\" alt=\"\" style=\"width: 100%; display: block;\"\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 52.2124%; padding: 0px 12px; vertical-align: top; border: medium none currentcolor;\"\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDuraCore\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eIndustry leading lifetime is achieved using Optoma's DuraCore technology. Implementing advanced laser diode cooling techniques and an innovative dust resistant design.\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cstyle\u003e\n.optoma-spec-table { width:100%; border-collapse:collapse; border:none; }\n.optoma-spec-table td { padding:8px 12px; border:none; font-size:0.95em; }\n.optoma-spec-table tr:nth-child(odd) td { background-color:#ffffff; }\n.optoma-spec-table tr:nth-child(even) td { background-color:#b0b0b0; }\n\u003c\/style\u003e\n\u003ctable class=\"optoma-spec-table\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDisplay Technology\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDLP®\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eResolution\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUHD (3840 x 2160)\u003c\/td\u003e\n\u003c\/tr\u003e\n\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\n\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\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eContrast Ratio (Dynamic)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2,000,000:1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNative Aspect Ratio\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e16:9\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCompatible Aspect Ratios\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4:3, 16:9, 16:10, 21:9, 32:9\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eKeystone Correction (Horizontal)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e+\/-15°\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eKeystone Correction (Vertical)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e+\/-15°\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDisplayable Colours\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1,073.4 million\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHorizontal Scan Rate\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e15 ~ 150 kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eVertical Scan Rate\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e24 ~ 240 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eUniformity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e75%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eScreen Size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.76 m ~ 7.62 m (30\" ~ 300\") diagonal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLight Source Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLaser\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLaser Lifespan\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e30,000 hours\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eThrow Ratio\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.496:1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProjection Distance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.33 m – 3.3 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eZoom Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFixed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFocal Length\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e7.51 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNative Offset\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e114%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInputs\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 x HDMI 2.0, 1 x HDMI 2.0 (eARC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutputs\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 x Audio 3.5 mm, 2 x USB-A power 1.5A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eControl Ports\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 x RS232, 1 x RJ45, 1 x 12V trigger, 1 x 3D sync\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNoise Level (Min)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e29 dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNoise Level (Max)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e35 dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePC Compatibility\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUHD, FHD, UXGA, SXGA, WXGA, HD, XGA, SVGA, VGA, Mac\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e2D Compatibility\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNTSC M\/J, 3.58 MHz, 4.43 MHz PAL B\/D\/G\/H\/I\/M\/N, 4.43 MHz SECAM B\/D\/G\/K\/K1\/L, 4.25\/4.4 MHz 480i\/p, 576i\/p, 720p (50\/60 Hz), 1080i (50\/60 Hz), 1080p (50\/60 Hz)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e3D Compatibility\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eYes (DLP 3D; PC frame sequential 120 Hz 3D, Blu-ray DVD 3D)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e3D\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFull 3D\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSecurity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSecurity bar, Kensington Lock, Password protected interface\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eIP Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eIP6X\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOSD Languages\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e25 languages: Arabic, Czech, Danish, Dutch, English, Farsi, Finnish, French, German, Greek, Hungarian, Indonesian, Italian, Japanese, Norwegian, Polish, Portuguese, Romanian, Russian, Chinese (Simplified), Spanish, Swedish, Chinese (Traditional), Turkish, Vietnamese\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e24\/7 Operation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e360° Operation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Conditions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0°C ~ 40°C, Max. Humidity 80%, Max. Altitude 2,500 ft\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSpeaker Count\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWatts per Speaker\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e15 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower Supply\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eExternal power supply, 100V ~ 240V, 50–60 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower Consumption (Standby)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;0.5 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower Consumption (Min)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e124 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower Consumption (Max)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e178 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions (W × D × H)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e274 × 216 × 114 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eGross Weight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4.3 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNet Weight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2.9 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eIn the Box\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAC power cord, Remote control, 2x AAA batteries, Basic user manual\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Optoma","offers":[{"title":"Default Title","offer_id":42863044624478,"sku":"ZK431ST","price":48990.0,"currency_code":"ZAR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2577\/1494\/files\/ZK431ST.gif?v=1789540228","url":"https:\/\/www.ultrasound.co.za\/products\/optoma-zk431st-4k-uhd-short-throw-laser-projector","provider":"Ultra Sound \u0026 Vision","version":"1.0","type":"link"}