Enjoy lights-on viewing and taking control via voice commands with the 4K UHD 3,000 lumen Optoma UHD51ALV. Compatibility with Echo and Google Assistant devices enable easy integration into smart homes regardless of the preferred voice assistant. Use voice commands to power the projector on and off, change volume, change input source and control the USB media player. Additionally, the UHD51A utilizes the latest Texas Instruments 4K UHD DLP chipset capable of displaying 8.3-million simultaneous distinct pixels at screen sizes 140 inches and higher. A pair of HDMI 2.0 inputs with HDCP 2.2 support, HDR compatibility and wide color gamut ensure 4K device compatibility, rich lifelike color and contrast for immersive experiences. A 1.3 x optical zoom and 15% vertical lens shift provide installation flexibility.