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/o 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/ o out(3.5mm Mini Jack) Video Formats: RM/RMVB/AVI/MKV/WMV/MP4/VOB o 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: