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Bright. Built to Last.
The ZK451 brings True 4K UHD clarity and long-life laser reliability to classrooms, conference rooms, and professional spaces, delivering crisp, detailed visuals with the low-maintenance performance that busy environments demand.
True 4K UHD Resolution - Presentations, spreadsheets, and video render with exceptional sharpness and readability.
4,500 Lumens* of Brightness - Vivid, clear images even in rooms with ambient light.
30,000 Hour DuraCore Laser - Say goodbye to lamp replacement, reducing downtime and lowering total cost of ownership.
Compact Design - Slim and lightweight that easily fits any professional space.
Professional AV Control - Optoma Management Suite (OMS™) enables centralized monitoring and control across multiple devices.
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.
Over-the-air Update
Compact Size
Low Maintenance
Eco-Friendly DuraCore Laser
High Brightness for Ambient Light
Optoma Smart Control
Optoma Management Suite
1.6x Zoom
Versatile Environments
Clear Images in Ambient Light Environments
With 4,500 lumens* of high brightness, this projector delivers sharp and readable visuals even in ambient light environments, making it ideal for meetings, classrooms, and commercial spaces.
*Lumens of brightness measured in accordance with ISO 21118
Exceptional 4K viewing experience
The projectors deliver up to 8.3 million pixels with 4K UHD (3,840 × 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 Laser
Optoma 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 Education
Tailored 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 Fingertips
Optoma 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.
*Supports both iOS and Android OS.
*The product shown in the image below is for illustration purposes only.
Smart Screen Alignment for Quick Installation
Instant auto-alignment with Smart Fit
Smart 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 uninterrupted
Smart Move automatically detects obstacles using the camera and seamlessly repositions the projection to a clear, unobstructed area, ensuring continuous visibility.
H/V Keystone correction
Keystone 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 adjustment
Correct 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 Place
Optoma 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 plarform. 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 optimise performance.
Aways Stay Updated
This 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 Spaces
With ±30° keystone correction, 1.6x zoom, and support for 360-degree or portrait mode projection, this projector offers flexible installation in any space.
Max Temperature(operating): 0 ~ 40°C; Tolerance +/- 2°C,
Max Altitude(operating): 10,000 ft., for 0°C~30°C,
Max humidity(operating): 80% RH, non-condensing
Remote control
Business remote control
Speaker count & Watts per speaker
1 x 15W
Input lag
4K/ 60Hz: 16.7 ms
1080P/ 60Hz: 16.7 ms
1080P/ 120Hz: 8.6 ms
In the box
AC power cord
Remote control
2 x AAA batteries
Quick start user manual
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