Optoma UHZ45 Home Theatre Projector has Laser Light Source with life span up to 30,000 hours. (ECO Mode). Bright 3,800 lumens and stable output, achieves 2,000,000: 1 Contrast. Amazing Colour for spectacular and accurate colours. Full 4K, 8-million-pixel display, perfect pixel alignment and great contrast. HDR 10 & HLG Supported for Brightest Whites, Deepest Darks, and Lifelike Colours. eARC (Enhanced Audio Return Channel) for higher-quality audio experience. Superb Gaming Experience with 240Hz refresh rate and extremely low 4ms Input Lag for PC gaming. Auto detect and display Super Ultra-Wide 21:9/32:9 screen for immersive panoramic view. Easy installation with 4-corner adjustment, 2D keystone correction, and warping. UHZ45 is able to deliver longer lasting and excellent performance at true 4K UHD resolution with high brightness at 3,800 lumens and 2,000,000:1 contrast. UHZ45 also comes with Enhanced Gaming mode, offering the comprehensive home entertainment experience. With the ability to implement 4-corner adjustment, 2D keystone correction, powered 1.1x zoom, and warping at 3*3 matrix. UHZ45 supports HDR10 and HLG. When a HDR / HLG signal is detected, the projector automatically switches to HDR / HLG display mode. Through Optoma’s HDR colour mapping and tone mapping technology, it enables HDR / HLG movies or games to be presented at their best in terms of colour accuracy and improved contrast ratio through dynamic contrast.