Optoma ZK420UST 4K UHD DuraCore Laser Ultra Short Throw Projector, 4200 Lumens

The Optoma ZK420UST is a compact 4K UHD DuraCore laser ultra short throw projector engineered for space constrained professional environments. Capable of producing a 100 inch image from less than 12 inches away, it delivers powerful visual impact for conference rooms, classrooms, simulations, and training spaces.

Featuring uncompressed HDBaseT 3.0 connectivity, the ZK420UST transmits 4K UHD video, audio, network, and control over a single RJ45 cable up to 100 meters. Advanced installation tools including 360 degree rotation, portrait mode, and geometric correction provide exceptional flexibility for challenging projection scenarios.

Designed for long term reliability, the projector uses DuraCore laser technology rated for up to 30000 hours of operation. Cloud based Optoma Management Suite compatibility enables remote monitoring, configuration, and firmware updates, making it ideal for managed enterprise and education deployments.

Key Features

• Ultra short throw design: Produces a 100 inch image from under 12 inches for space saving installations.
• 4K UHD resolution: Delivers sharp 3840 x 2160 visuals with high clarity and detail.
• HDBaseT 3.0 connectivity: Transmits uncompressed 4K video, audio, control, and network over a single RJ45 cable.
• DuraCore laser light source: Rated for up to 30000 hours of low maintenance operation.
• Advanced installation flexibility: Supports 360 degree rotation, portrait mode, and geometric correction.

Technical Specifications

• Display technology: DLP
• Resolution: 4K UHD 3840 x 2160
• Brightness: 4200 ANSI lumens
• Contrast ratio: 500000 to 1
• Throw ratio: 0.25 to 1
• Light source: DuraCore Laser Phosphor
• Laser life: Up to 30000 hours in Eco mode
• Built in speaker: 15W mono
• Noise level: 29 dB Eco mode to 34 dB Bright mode

What’s in the Box

• Projector
• Quick start guide
• Power adapter and cable
• Remote control
• AAA batteries