🌟【Electric Focus & Fully Sealed Optical Engine Mini Projector】The ALLIWAVA PR550 portable projector uses electric focus technology, getting rid of the hassle of traditional manual focus wheels. Just press the focus button on the remote control to adjust the lens precisely, allows you to have better control over the image clarity when watching movies. This smart projector is based on a fully sealed optical core, which is not easy to enter dust, effectively reducing screen black spots and image quality loss, can accompany you for a longer time. (Note: The remote control does not come with batteries.) | 🌟【Support 4K Native 1080P & Keystone Correction】The PR550 movie projector supports a 4K native 1080P resolution and has a 18000 lumens brightness. This excellent brightness performance means it can provide clearer and more vibrant image effects. You can enjoy a more immersive movie image. The video projector also has an automatic ±40° vertical keystone correction feature, which can easily adjust offset images, ensuring images always display the correct shape and proportion. | 🌟【Upgraded WiFi 6 & Bluetooth 5.2 & Stereo Speakers】The PR550 4k projector with WiFi 6 and Bluetooth 5.2 technology, enabling faster and more stable image transmission. Additionally, the short throw projector is equipped with stereo speakers that deliver a full range surround sound effect, allowing you to fully immerse yourself in the world of film and audio, enjoying an unparalleled experience. | 🌟【Large Screen & Multiple Devices Connection】The PR550 outdoor projector allows for image size adjustment from 75% to 100% without moving the product. It also offers a large screen experience ranging from 60''-120'', enabling you to fully immerse yourself in movies or other entertainment content. mini projector is equipped with HDMI, USB, AC, and 3.5mm headphone output ports, allowing you to easily connect to various devices such as smartphones, Laptop and TV sticks. | 🌟【Warm Reminders & Reliable Service】Please note that some similar apps like Netflix, Amazon Prime Video, and Hulu do not support screen mirroring due to copyright protections. The home theater projector support for upgrading to Android 11.0 and installing apps. ALLIWAVA provides full 1 year product support and lifetime after-sales assistance. If you have any questions or issues, feel free to contact us via email.