This is a used VISULAPEX S1 Pro 4K projector with a 4.41-inch LCD display, 25,000 lumens brightness, and 1080p resolution. It features Bluetooth, 5G Wi-Fi, and Bluetooth connectivity, built-in speakers, and ±15° keystone correction. With a compact size of 22.5x18x9cm, it offers a giant display of 50-250 inches and supports Red and Blue 3D. Perfect for home cinema, Xmas parties, and more.