Optoma ZK431ST 4K UHD Short Throw Laser Business Education Projector

The Optoma ZK431ST is a compact 4K UHD short throw projector engineered for budget-conscious education and corporate environments. Featuring DuraCore laser technology, it delivers 4,100 lumens of brightness and up to 30,000 hours of maintenance-free operation, eliminating the need for lamp replacements. Its native 4K UHD resolution ensures sharp, readable text and detailed imagery for presentations. The projector offers versatile installation options, including four-corner correction, keystone adjustment, and 360-degree projection capabilities. Designed for sustainability, it is built with over 50% recycled materials. Users can easily manage device settings and alignment via the Optoma Smart Control App.

Technology	DLP
Resolution	4K UHD (3840x2160)
Brightness	4,100 Lumens
Contrast Ratio	300,000:1
Light Source	Laser
Light Source Life	30,000 hours
Throw Ratio	0.496
Speaker	1 x 15W
Noise Level	29 dB(A)
Connectivity	2 x HDMI 2.0, 1 x VGA, 2 x USB-A, RJ45, RS232