Optoma ZK430ST is one of Optoma's most compact and hassle-free 4K UHD DuraCore laser projectors to date. Designed for maintenance-free continuous operation, this 3700-lumen projector delivers powerful image performance with flexible installation features and extensive connectivity options in a sleek, compact form factor, up to 34% smaller than previous Optoma models. True 4K UHD resolution and laser technology - 3700 lumens, HDR and HLG compatible. Designed with the environment in mind, the eco-friendly chassis design is made with up to 50% PCR (Post-Consumer Recycled) plastics and the packaging contains up to 97% recyclable materials.³ In addition, the compact product and packaging size of the Optoma ZK430ST projector allows 2x more products carried per container, resulting in more efficient logistics to help further reduce carbon emissions. Optoma laser projectors use high-quality lasers to create the projected image. In many situations the perceived brightness from laser illumination projectors can be twice that of an equivalent lamp-based model. They also deliver increased efficiency to maintain consistent brightness, superior color performance, instant on/off and an extraordinary life span of up to 30,000 hours.