Optoma ZK431ST 4K Ultra HD Short-Throw DuraCore Laser DLP Business and Education Projector

The Optoma ZK431ST makes True 4K UHD short throw projection accessible for budget-conscious education and corporate buyers. At 4,100 lumens, the ZK431ST delivers bright, vivid visuals in classrooms and conference rooms with moderate ambient light. DuraCore laser technology provides up to 30,000 hours of maintenance-free operation, eliminating the cost and disruption of lamp replacements. Four-corner correction, keystone adjustment, 360 Degree projection capability, and Optoma Smart App compatibility make installation and alignment straightforward.Brighter, Greener, and Longer-Lasting ProjectionFuture-Proofed. Sustainable. Cost-Effective.Optoma's new generation of lamp-free laser projectors is designed to deliver exceptional visual quality, simplified setup and control, and long-term value across business, education, or simulation environments.Clear, Shadow-Free Projection for Ambient Light EnvironmentsWith 4,100 lumens of high brightness, this projector delivers Full HD visuals even in ambient light. Its short-throw design reduces shadows even in limited spaces, making it ideal for meetings, classrooms, and commercial environments.Exceptional 4K viewing experienceThe projectors deliver up to 8.3 million pixels with 4K UHD (3,840 x 2,160) resolution, providing exceptionally sharp images that make even small text and detailed graphs clear and easy to read.Reliable for Long-Term Use with DuraCore LaserOptoma DuraCore Laser technology delivers consistent brightness, vivid colors, and up to 30,000 hours of lamp-free operation. With instant on/off functionality, reduced power consumption, and no lamp replacements, it offers a lower total cost of ownership and long-term, reliable performance-ideal for business and education environments.Tailored Display Modes for Business and EducationTailored display modes for business and education. Optoma projectors deliver long-lasting image precision with DLP technology, ensuring accurate, vibrant colors that bring every detail to life.Smart Control at Your FingertipsOptoma Smart Control app streamlines device management and intelligently adjusts screen alignment across Optoma displays, all from your mobile device. From setup to daily operation, it acts as an intelligent remote, enabling control of key functions such as power on/off, input source switching, status alerts, and more, helping users save time and deliver a better viewing experience in any space.Smart Screen Alignment for Quick InstallationInstant auto-alignment with Smart FitSmart Fit uses your smartphone's camera to detect the screen frame and automatically correct the image alignment, significantly reducing installation effort.Smart Move keeps your screen uninterruptedSmart Move automatically detects obstacles using the camera and seamlessly repositions the projection to a clear, unobstructed area, ensuring continuous visibility.H/V Keystone correctionKeystone correction adjusts trapezoid-shaped images caused by angled projection. An intuitive slide dial enables quick and smooth adjustment of vertical and horizontal alignment.Four-corner adjustmentCorrect image distortion effortlessly with four-corner adjustment. Just tap and drag any corner to reshape the frame in real time.Manage, Monitor, and Diagnose-All from One PlaceOptoma Management Suite (OMS) is an intuitive (cloud-based or via local networking) display management solution, designed to streamline operations by monitoring, diagnosing and controlling audio visual displays from anywhere via a single platform. With an easy-to-use interface and 24/7 real-time monitoring, OMS enables users to check the status of display devices and make configurations to optimize performance.Always Stay UpdatedThis product supports over-the-air (OTA) firmware updates, keeping your projector up to date without the need for USB drives. Updates are delivered automatically, and users simply click Download to install them. Updates may include new features, performance enhancements, and security improvements. This helps reduce IT workload and ensures reliable operation.Flexible Setup for Any SpacesWith +/-30 Degree keystone correction, and support for 360-degree or portrait mode projection, this projector offers flexible installation in any space.Designed for SustainabilityAligned with Optoma's Green Promise, this projector features an energy-efficient, mercury-free DuraCore laser light source. Built with over 50% recycled metal and PCR materials and packaged in 100% recyclable packaging, it is designed to reduce material waste and power consumption in support of sustainability.Eco-friendly packagingEco-friendly packaging produced with FSC-certified paper and made with recycled and reusable materials.Sustainable materialsUse of environmentally, friendly materials for products chassis and during production.