Optoma UHL55 is 4K UHD Smart Projector with resolution of 1,500 lumens and four HDR10 picture modes Android OS with 4K UHD HDR media player, smart TV apps and Optoma Marketplace app store Works with Amazon Alexa and Google Assistant RGBB LED light source with up to 30,000 hour life Stereo audio with Dolby Digital decoding and Bluetooth audio input and output Protective sliding lens cover and power switch Auto focus and auto keystone for easy place and play
