4500lm & 720P Real Resolution: The APEMAN LC550 projector uses a high color reproduction LCD optical engine to provide clear and vivid images. With a 3000:1 contrast ratio and a 4500-lumen LED lamp, colors are vivid and details are clearly visible. Note: We recommend using it in a dark environment to project a more stunning screen. This product is not recommended for large business conferences, presentations (PowerPoint & Word & Excel), or classroom use. Large Screen & Focus Adjustment: With a projection distance of 1-4m, you can project a large screen of 30-200 inches. The projector is designed to focus when the lens and screen are vertical, so gradually adjust the focus dial when the lens and screen are vertical to center the focus. In addition to the ±15 degree keystone correction function, it is easy to operate. Wide Compatibility & 360° Inversion Function: Equipped with input terminals such as HDMI/AV/VGA/USB/SD card, you can connect various peripheral devices such as PCs, DVD players, TV boxes, smartphones, tablets, USB memory, game consoles, and Google Chromecast. Enjoy immersive gaming and multimedia experiences with stereo audio. Cooling System & Three Projection Methods: The APEMAN projector is equipped with a cooling system with excellent heat dissipation performance, allowing for comfortable operation while maintaining quietness, and the lifespan of the main unit is also longer. The latest smart eco-lamp lamp care technology allows the internal LED bulb to save up to 70% of energy, achieving a long lamp life (≧50000 hours). This unit has a 360° inversion function and can be projected in three ways: front, rear, and ceiling. Purchased for 15,000 yen. No box included. Remote control and cords are included. Operation has been confirmed. Price reduced from 12,060 yen.