i Portable Projector DLP Video Movie Projector Home Theater 4500Lumens Touchpad/Remote Control Support Sync Screen      Features:  Mini Portable Projector: Smart DLP projector with a portable size, very convenient to carry around. 18.9 to 75.1 inches projection size with 0.5m to 2.0m best projection distance. It is ideal for home and outdoor entertainment.  Great Viewing Experience: Equipped with high quality LED source, 4500lumens brightness, 15000:1 contrast, 854*480 native resolution, support 4K signal source input. Perfect for watching movie/video/image or playing games.  Wired & Wireless Sync Screen: Quickly and smoothly connect your smartphone or laptop to the projector via Airplay and Miracast. Equipped with HD and USB interface, you can connect computer, TV, USB disk, set top box, HD DVD, mouse, etc.  Large Capacity Battery: Built-in 4000mAh rechargeable battery with long endurance, which can get rid of wire, very convenient to use. Don't worry about running out of electricity even on a trip.  Excellent Performance: Support vertical ±40° keystone correction, front/rear/front ceiling/rear ceiling projection. Built-in 5W*2 stereo speaker, support BT connection to play music.    Specifications:  Projection System: DLP(0.2"DMD)  LED Highlights: RGB RGB,LED Tricolor Q6 (Up to 50,000 hours)  Best Projection Image Size: 18.9-75.1in  Best Projection Distance: 0.5-2m  Physics Resolution: 854 x 480 pixels  LED Lumens: 4500 Lumens  Typical Lumens: 280 ANSI Lumens  Aspect: Auto/4:3/16:9  Contrast Ratio: 15000:1  Display Color: 1.07 Billion Colors  Zoom: Manual  Focus Adjustment: Manual  Keystone Correction: Digital / ±40° (Vertical)  Throw Ratio: 1.19:1 (D/W)  Resolution Support: VGA to 4K(3840 x 2160)  HDTV Compatibility: 480i,480P,576i, 576P,720P,1080i,1080P,2160P  Horizontal Frequency: 15K~135KHz  Vertical Scan Rate: 23~120Hz  Multimedia Viewer: Office/Video/Photo/Audio  Wireless Screen Mirroring: Airplay & Miracast  Main Chip: Mstar V56 + Rockchip RK3036  BT: BT 4.0  SD Card: Maximum supported 128G  Interfaces: Micro SD/ DC in/ HD/ USB Type A/ Audio out(3.5mm Mini Jack)  Video Formats: RM/RMVB/AVI/MKV/WMV/MP4/VOB  Audio Formats: MP3/WMA/AAC  Picture Formats: JPEG/BMP/PNG/GIF  Input Voltage: AC 100-240V, 50/60Hz  Output Voltage: DC 12V, 3A  Power Consumption: Normal: 36W, Standby: <0.5W  Battery: Built-in 7.4V, 4000mAh Lithium Battery  Language: Simplified Chinese/ Traditional Chinese/ Korean/ Japanese/ English/ French/ German/ Spanish/ Greek/ Italian/ Dutch/ Norwegian/ Polish/ Portuguese/ Russian/ Danish  Item Size: 8.5 * 8.5 * 14cm/ 3.3 * 3.3 * 5.5in  Item Weight: 730g/ 1.6lb  Package Size: 21.8 * 20 * 10cm/ 8.6 * 7.9 * 3.9in  Package Weight: 1500g/ 3.3lb    Packing List:  1 * Projector  1 * Remote Control(Battery is not included)  1 * Power Adapter  1 * Power Cord  1 * Carry Bag  1 * Users' Manual  1 * Quick Start Guide