Description PC level multi-touch pad, Quad-core Cortex-A53 up to 1.5GHz, 150 ANSI lumen high brightness, clear picture 4K support, 1080p video, 2GB RAM / 16GB ROM, built-in 4000mAh lithium-ion battery, 1.5 hours without charging. Features Projection Method | LCD | Resolution | 854 x 480 | Image Size | 40"-300 " | Screen Distance | 0.5m - 8m | Brightness | Brightness Uniformity : 90% | Contrast | Contrast ratio : 500 : 1 | Lamp | Lamp Life : 10000h | Audio | One 3w Speaker | Connectors | 1 X High Definition Multimedia Interface1.4 Input : 480P, 576P, 720P, 1080P 2 X USB : Support Flash Drive Read Data 1 X Earphone Jack : 3.5mm 1 X 12V DC Input : Power Adapter : 12V-3A DC | Remote Control | yes | Dimension | 114 x 114 x 29 mm | Product Warranty This product projector comes with 1 year service warranty . |