Optoma GT2100HDR is an eco-friendly short throw laser projector with Full HD resolution and 4K UHD and HDR compatibility. It features a compact design, up to 34% smaller than previous Optoma models, and offers easy setup with a short throw lens, projecting a 100" image from just over a meter away. With 4,200 lumens of brightness, it delivers clear and vibrant images even in well-lit environments. It also boasts a long lamp life of 30,000 hours and extensive connectivity options, including 2 HDMI 2.0 inputs, a 3.5mm audio output, and a USB-A power port.