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The unique ZH406ST is a compact short-throw (0.5:1) Full HD 1080p DuraCore laser projector. Designed for maintenance-free, continuous operation it can be installed in virtually any orientation.
Pack full of features this compact laser projector has a 0.5:1 fixed lens, built-in speaker, it’s 4K and HDR compatible, low maintenance projector with extremely long-life laser technology. For ultimate control, the projector comes with RJ45 connection allowing you to monitor and control your network in multiple rooms. Perfect for business, education and museums where a clean bright image is required.
For recommendations for choosing your screen size please see our Screen size advice page.
To make sure this projector is the right fit for you room
With a short throw lens, you can project an impressive 100” image from just over a metre away. This allows you to place the projector closer to the wall, reducing shadows so you can present with ease.
Industry leading lifetime is achieved using Optoma’s DuraCore technology. Implementing advanced laser diode cooling techniques and an innovative dust resistant design.
IP6X Airtight optical engine
Independently tested and certified to IEC standard 60529 with an IP6X dust resistance rating. Outstanding dust resistance combined with exceptional brightness ensures industry leading durability; paramount for 24/7 maintenance free operation in challenging environments.
Full HD 1080p
1080p resolution gives you sharp and detailed images from HD content without downscaling or compression; perfect for watching Blu-ray movies, HD broadcasting and playing video games.
Capable of receiving and displaying HDR meta data, Optoma HDR compatible projectors allow you to see far more detail and texture. Objects look more solid and life like and the extra detail creates a greater sense of depth. It’s like looking through a window.
Add more depth to your image with a high contrast projector. Compared to competing technology, Optoma DLP projectors provide you with brighter whites and ultra-rich blacks, images come alive and text appears crisp and clear - ideal for business and education applications.
Optoma projectors provide reliable colour performance suitable for any content and environment. From accurate sRGB colours for lifelike images to vibrant punchy presentations. We have a display mode to specific meet your needs. Perfect for a range of graphic and video presentations.
Four corner correction
Adjust the keystone in both the vertical and horizontal plane. You can individually warp each corner of the image to create a perfectly square image. Ideal for image stacking, uneven walls or where projector placement is awkward and needs to be installed at an angle.
Auto Keystone automatically adjusts the trapezoid effect when the projector is off-axis to create an aligned image*.
*Auto keystone only adjusts the image in the vertical plane.
Ideal for digital signage applications you can rotate your projector 90 degrees to project a portrait image.
Images can be projected over a 360° range* along the projector’s horizontal axis.
*For more information please refer to the user manual
Featuring a wide range of options you can control and monitor the projector remotely.
• RS232 Optoma projector’s come with an extensive set of RS232 commands making it simple and easy to manage using any control system.
• AMX Compatibility Dynamic discovery protocol is incorporated into the projector allowing for easy installation with AMX control systems.
• LAN Control Using the compatible RoomView software you can power on/off, monitor, manage and control up to 250 projectors at the same time from any computer.
• Schedule the projectors to power on/off.
• Control and alter the projector settings using the simple web browser.
• Emergency text broadcast capabilities for urgent or important announcements.
• Automatically receive email updates for lamp maintenance.
PJLink protocol is incorporated into the projector allowing for easy installation with PJLink compatible control systems.
This model is able to receive comands via telenet allowing for easy installation with Telnet compatible control systems.
Optoma projectors can display true 3D content from almost any 3D source, including 3D compatible graphics cards, 3D broadcasting and the latest generation 3d media servers.
A powerful built-in speaker provides exceptional sound quality and an easy setup without the need for costly external speakers.
Use the USB-A port to power an HDMI dongle, such as Google Chromecast.
Stay in control of your presentation with AV mute. Direct your audience's attention away from the screen by blanking the image when not needed.
This feature allows the projector to be instantly powered on again, if it is accidentally switched off.
Auto power off
There may be instances when the projector is left running when not in use. To help save energy, the "auto power off" feature automatically turns off the projector after a set period of time if it is not being used
Direct power on
The projector will start up instantly when power is supplied to the unit. This eliminates the need to manually turn on the projector via the remote control or the keypad, ideal for use in rooms with a “master” power switch.
Direct power off
Power off your projector immediately or directly at the mains. This means you don’t have to wait for the projector to cool down before turning it off.
Optoma projectors have been designed to operate 24 hours a day in standard orientation. Perfect for applications where prolonged periods of use is required. Subject to 24 hour terms and conditions.
24/7 Operation - standard lamp warranty applies. Projector warranty is based on standard business usage hours. For optimum performance Optoma recommends that your projector is turned off or placed in standby mode for 30 minutes every 24 hours to prolonging the life of your lamp.
Customise your projector
Have your projector in any colour. Chose from any RAL colour. Perfect for bespoke installations. *Contact us for more information"
Optoma’s additional DuraCare warranty package offers a warranty designed for very high duty operation. It ensures higher average brightness and exceptional reliability over an extended period of up to 5 years or 24,000 hours. This additional package has the added benefit of a preventative maintenance service at 12,000 hours which will return the performance back to the day it was manufactured.
12,000 hour re-manufacture service:
- Replacement of laser light source
- Replacement of critical components and moving parts
- Internal inspection and cleaning
USB for display and control
USB Type A for power
USB for PC Less Presentation
RJ45 For Control/Monitoring
RS232 For Control
Dimensions (W x H x D) in cm
33.7 x 12.25 x 26.5
Fan Noise (db)
Fan Noise in Eco Mode (db)
Audio Output (Watts)
Lamp Life (Hours)
Lamp Life Eco Mode (Hours)