ERISAN Multimedia Mini Portable Home Use Back to School/150Lumens/Support 1080P/LED LCD Home Entertainment Video Game Outdoor Camping Projector ERISAN Trademark registered in US, can be checked on "USPTO" ! Projection Technology: LED; Native Resolution: 320x480, Projection Size 30-120 inches, Easy switching aspect ratio between 16:9 and 4:3; Focus the imagine by rotating the lens, with keystone correction to adjust the picture trapezoidal distortion. Convenient to carry with a lightweight and portable design. Watching your favorite programs with bigger screen via HDMI/VGA port. Connecting with your PC / Laptop / DVD Player to enjoy videos or movies via HDMI/VGA port. Connecting Playstation PS3 PS4 or X-Box ONE Wii via HDMI/VGA port. Voltage Input: DC 12V, Vehicle power supply 5V 2A, you can use power bank to power it(8000mAh Power Bank External Charger is for 3-5 Hours). Multi-function interface: Video in / USB Play / SD card play / PC, Laptop, etc via the VGA / HDMI Connect; The USB port is only for U-Disk/Hard Disk Device connecting, as for connecting iPhone/iPad/Android Smartphones, the projector support MHL Input, you need to order the MHL cable locally. (Contact us for more info if need help) The PGM01B is not recommended for PPT or business presentation, ideal for home theater movies and video game.  Tech Support: (315) 820-2008, need help? Just call us and leave message, we will call back ASAP at your convenient time.