Do you want to have an amazing watching experience at home? Do you know how to choose the best projector? Thanks to the most reasonably priced, high fidelity images, focusing function and superior quality, DBPOWER 1500-lumen mini video projector is the best choice. 1. Why choose DBPOWER T20 portable mini projector? Upgraded LED light technology - brighter than other projectors, updated fan Sound and System - the fan noise is lower than other basic LED projectors, Large Screen - relax your eyes with TV Keystone Function - adjust the image size to be normal. 2. Specifications: Imaging technology: TFT LCD, Brightness: 1800 lumens Contrast: 1000:1 Aspect ratio: 16:10 Projection ratio: 1.4:1 Native resolution: 800X480 pixels Supported resolution: 1920X1080 pixels Keystone: Manual correction 15¡ã Throw distance: 1.5-5M Screen size: 32-176 inches 3. Warm notices: 1) Not recommended for PPT, word, excel or business presentation. 3) To connect DBPOWER mini projector with iPad or smartphone, you need a wireless HDMI adapter (A MHL to HDMI cable for android phone and a lighting to HDMI adapter cable for iPhone/iPad).