Thank you for viewing! I have stored it in a dark place after using it a few times. ✳︎Instant purchase OK! ✳︎First come, first served ✳︎Only one in stock 4K resolution, Android 11-equipped projector, with remote control. - Brand: MARCUBE - OS: Android 11 - Resolution: 4K - Accessories: Remote control - Focus function: Auto/Manual focus - Wi-Fi function: Yes Electric Focus/Automatic Keystone Correction: Equipped with an intelligent electric focus system that replaces the conventional manual adjustment. Precise focus adjustment is possible within milliseconds with a single button on the remote control. Even if you move the projector, screen calibration is completed with one touch, eliminating the need for troublesome adjustments when sharing a large-screen movie with friends. Automatic vertical keystone correction and 80%-100% zoom function automatically correct image distortion even if the installation position changes. It saves time and provides accurate images, allowing for free installation without worrying about furniture placement or visibility. Built-in Android TV smart system, allowing direct access to 1 million contents from over 8,000 apps such as YouTube, Prime Video, and Netflix. You can add and install your favorite apps from the Google Play Store without needing a Fire TV Stick. Equipped with a voice recognition button.