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ZH421

Compact 4,600lm Full HD Laser Business Projector

The Optoma ZH421 is a 4,600-lumen Full HD 1080p laser projector engineered for 24/7 reliability in business or education spaces. spaces. This compact, maintenance-free laser solution features a 30,000-hour lifespan, 1.3x optical zoom, smart control, and centralized IT management via Optoma Management Suite (OMS™) to support sustainable and efficient operation.

● 4,600-lumen brightness –Clear projection for spaces with ambient light
● 30,000h laser life –DuraCore laser ensures long-term reliability and low TCO
● 1.3x optical zoom & geometric correction for versatile mounting
● Sustainable design –50% recycled metal and PCR materials
● Optoma Management Suite (OMS™) –Enables centralized monitoring and control across multiple devices

Brighter, Greener, and Longer-Lasting Projection 

Future-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.
Over-the-air Update
Compact Size
Low Maintenance
Eco-Friendly DuraCore Laser
Clear Images in Ambient Light
Flexible configuration
Optoma Management Suite
1.3x Zoom
Immersive Golf
Powered by Optoma
Long Lifespan

Clear Images in Ambient Light Environments

With 4,600 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.
Optoma business projector delivers 4600lm high brightness for clear images in ambient light environments.

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.
Optoma DuraCore Laser technology delivers consistent brightness, vivid colors, and up to 30,000 hours of lamp-free operation.

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.
Optoma laser light sources deliver clear, vivid images for presentations, with multiple display modes for meetings and education.
cover img

Immersive Golf Simulation

Powered by Optoma

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.
Optoma Management Suite (OMS™) helps manage, monitor, and diagnose from a centralized place
Optoma Management Suite (OMS™) centralized management

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.
Over-the-air deamless firmware updates reduces workload and ensures seamless operations.

Flexible Setup for Any Spaces

With ±30° keystone correction, 1.3x zoom, and support for 360-degree or portrait mode projection, this projector offers flexible installation in any space.
  • H/V keystone correction

  • Four-corner adjustment

  • 1.3x zoom

Designed for Sustainability

Aligned 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.
50% recycled metal
100% recyclable packaging

Eco-friendly packaging

Eco-friendly packaging produced with FSC-certified paper and made with recycled and reusable materials.
50% recycled plastics used for the Optoma projector

Sustainable materials

Use of environmentally, friendly materials for products chassis and during production
Specification
Display
Technology
DLP®
Resolution
1080p Full HD (1920x1080)
Brightness
4,600 Lumens
Contrast ratio
300,000:1
Contrast ratio (Dynamic)
2,000,000:1
Native aspect ratio
16:9
Aspect ratio - compatible
4:3, 16:9, 16:10, Full, Squeeze, Native
Keystone correction - horizontal
+/-30°
Keystone correction - vertical
+/-30°
Horizontal scan rate
15~135 KHz
Vertical scan rate
24~120 Hz
Uniformity
75%
Screen size
30"~300"
Light source type
Laser
Light source life
30,000 hours (Eco mode)
Throw ratio
1.13:1 ~ 1.47:1
Projection distance
1m~ 10m (mechanism travel)
Zoom
1.3
Zoom type
Manual
Focal length
16.90mm~21.60mm
Native offset
116% +/-5%
Connections- Inputs
HDMI 2.0 x 2
VGA In x 1
Audio 3.5mm x 1
Connections - Outputs
USB-A 2.0 x 2
3D Sync Out x 1
Audio 3.5mm x 1

Connections - Control
RJ45 x 1
RS232 x 1
12V Trigger x 1
Noise level (min)
29 dB(A)
Noise level (max)
31 dB(A)
PC compatibility
VGA,SVGA,XGA,720p,WXGA,SXGA,SXGA+,UXGA,1080p,WUXGA
2D compatibility
NTSC,PAL,SECAM,SDTV,HDTV,UHD
3D compatibility
Supports all HDMI 1.4a mandatory 3D formats (Frame pack, side-by-side, top-bottom) and up converts frame rate from 60Hz to 120Hz or 24Hz to 144Hz
Security
Security bar, Kensington Lock, Password protected interface
OSD / display languages
27 languages: Arabic, Czech, Danish, Dutch, English, Farsi, Finnish, French, German, Greek, Hungarian, Indonesian, Italian, Japanese, Korean, Norwegian, Polish, Portuguese, Romanian, Russian, Simplified Chinese, Spanish, Swedish, Thai, Traditional Chinese, Turkish, Vietnamese
24/7 operation
Yes
360° operation
Yes
Operating conditions
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
Quick start user manual
LAN control
Yes
24/7 operation
Yes
360° operation
Yes
Power supply
AC 100 ~ 240 V, 50 ~ 60 Hz
Power consumption (standby)
≤0.5 W
Power consumption (eco mode)
120 W@110VAC
118 W@220VAC
Power consumption (bright mode)
170 W @110VAC
168 W @220VAC
Dimensions (W x D x H)
W/o feet: 216 x 274 x 108.5mm (10.8 x 8.5 x 4.3 inches)
With feet: 216 x 274 x 114mm (10.8 x 8.5 x 4.5 inches)
Gross weight
4.3 kg / 9.5 lbs
Net weight
2.9 Kg / 6.4 lbs