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What is the brightness of the Optoma ZH450ST projector?
What is the resolution of the Optoma ZH450ST projector?
What is the contrast ratio of the Optoma ZH450ST projector?
What is the throw ratio of the Optoma ZH450ST projector?
What is the lamp life of the Optoma ZH450ST projector?
How many HDMI inputs does the Optoma ZH450ST projector have?
Does the Optoma ZH450ST projector support 3D?
What is the IP rating of the Optoma ZH450ST projector?
What languages does the OSD of the Optoma ZH450ST projector support?
