The ZU820TST is the fixed lens 8100 lumen WUXGA short throw laser projector. At 8100 lumens with 4K and HDR compatibility, the ZU820TST features a dust-resistant IP5X certified optical engine for 24/7 operation capabilities, offering true maintenance-free projection for up to 30,000 hours of powerful performance in Eco mode. Other features include a motorised zoom and 0.75~0.95 throw... https://www.optoma.co.in/