500'' Giant Display & Zoom Function Wide Compatible Application 4K projector can project larger image between 50-500 inches. It has 100%-70% zoom out function to shrink the image. To shrink the image, no need to move the projector. This home cinema projector has HDMI, AV, USB and 3.5 mm audio output interfaces, perfect for playing videos, TV shows, games, concerts, etc. 5G/2.4G Fastest Dual-Band WiFi & Newest Bluetooth 51 ProjectorK7 indoor and outdoor projector with fastest 5G&2.4G dualband WiFi, which can make image and video transmission 2 times smoother than other 5G wifi projectors. In addition, it is built-in Bluetooth 5.1 chip with SRS sound system which can connect with most Bluetooth headsets, Bluetooth speakers. It will store every detailed sound effect to bring you into different sound scenes. 500 ANSI Lumens & Native 1080P Support 4K Delicate Carrying BagIf 10000 lumens (300 ansi lumen) is still dim, then let's try K7 brightest led projector. This portable projector is with real native1080P support 4K resolution, 99% NTSC technology and 15000:1 contrast. Compared with other 1080P projectors, K7 projector provides 4 times clearer and sharper images. And it comes with a portable carrying case for easier carrying and protecting the projector.