LightInTheBox?Mini HD Home Super Bright LED Technology Projector 400LM , PC Laptop VGA USB SD HDMI #1. Portable Size & Big Picture. Supports multimedia function with 3-in-1 AV In, HDMI Input, SD Card Slot, USB, VGA Port input to enlarge image up to 10-100 inches. #2. Hign Brightness and Built-in high quality stereo sound, provides cool home theater experience, and ideal for playing games with your friends or kids. #3. 320*240 Pixels Native Resolution, compatible resolution up to 1080p. Projection methods, front/ rear/ ceiling. Image can be reversed 360, so it can be put on the desk or hung on the ceiling. Also Supports 15 degree manual Keystone Correction. #4. LED bulb inside can save energy up to 70%, and lifetime up to 20,000 hours. #5. We take full responsibility for this product quality and provide TWO year warranty for 100% satisfaction, as well as Customer Service & Technical Support. NOT Recommended for PPT, Word, Excel or business presentation.