✔ Durable & Safe: LED Lamp works up to 50,000 hours, never go through the trouble of replacing bulbs. Adopted Flame-resistant ABS shell to ensure flame resistance. Dust Resistant Design, detachable dust-proof net, easy to clean ✔ Operation Guide: ±15°Manual Vertical Keystone Correction. 360°Image Flip Function. 25 Degree Digital Zoom- Press the "Zoom" button on the remote to zoom out the images to fit your screen on a designated area. Fits for Front, Rear, and Ceiling Projection. ✔ Widely Compatibility: Smartphone / DVD/ Roku / Android Box/ Directv/ Game Consoles etc. Support 1080P, 1080i, 720P, 576P, 480P, 576i,480i ✔ Quality Assurance: 10 years of road-tested reliability CCC,CE,FCC,CB certificated 2Years Warranty Local Warehouse Lifetime Technical Support.