No need to purchase a separate screen. A free screen is included. You can take it camping or traveling and enjoy outdoor movies. It's even more convenient to use. Equipped with Bluetooth, it can connect wirelessly to your favorite Bluetooth speakers or Bluetooth headphones. Adopting the latest LCD technology, the LED lamp has a brightness of 5000LM, projecting clear, stable, and vivid images with high brightness that won't be outshone by the room's brightness. With a native resolution of 1280*720, it supports real 1080P Full HD. It's very popular for home use, presentations, and home theaters. The keystone correction function allows for easy adjustment of ±15 degrees. You can set it up according to the space in your room. Focus adjustment allows you to project clear images from any angle. The projection size varies depending on the position of the screen and projector. You can project up to 200 inches and enjoy a large screen. (Recommended projection distance: 1~4.2m) It is equipped with a variety of connection terminals such as SD, AV, VGA, USB, and HDMI, and can be connected to various devices such as Fire TV Stick, PC, laptop, DVD player, PS3/PS4, Xbox, and TV box. It is also applicable to iPad, iPhone, and Android smartphones. (Note: When connecting to a smartphone/tablet, an HDMI adapter is required, please purchase separately.) Built-in 5w*2 speakers, the sound quality is 80% better than commercial products, allowing you to enjoy immersive sound for both movies and games without preparing separate speakers. Equipped with a 2-fan heat dissipation cooling system with excellent heat dispersion performance, it enables comfortable operation while maintaining quietness, and the lifespan of the main unit is also longer. This easy-to-use, compact mini projector is convenient to carry not only at home and in the office, but also to event venues and outdoors. Japanese instruction manual included. If you have any problems or questions about the product, please contact us through the inquiry page. We will respond promptly on the earliest business day if you contact us for customized support.