This product is a portable projector (Mini Projector) model T400, and it features the following specifications: Display Resolution: Native resolution 360x480 pixels, with support for resolutions up to 1080x1920 pixels. Projection Size: It can display an image size ranging from 20 to 100 inches. Lamp Life: The LED lamp life reaches 50,000 hours. Connectivity: It has multiple ports including HDMI, USB, and a Micro SD card slot. Features: Lightweight, portable, and comes with a built-in speaker.