What items are included in the package with the ZK451 projector?

The package includes a 4K UHD Laser Projector, AC power cord, remote control, 2 x AAA batteries, and a quick start user manual.

What is the native resolution and brightness of the Optoma ZK451 projector?

The Optoma ZK451 has a native resolution of 2160p (3840 x 2160) and a brightness of 4500 lumens.

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Optoma DuraCore ZK451 3D DLP Projector - 16:9 - 2160p - 30000 Hour Economy Mode - 2,000,000:1 - 4500 lm - HDMI - USB - Network (RJ-45)