1.65: 1 Adjustable Projection - With a 1.65: 1 projection ratio, a small room can also project a large screen, and the screen size can be easily adjusted according to the size of the house wall .Multiple Interfaces - With rich interfaces, it can read USB flash drives, mobile hard drives, AV connected to DVD, set-top boxes, HDMI interfaces can be connected to computers.Manual Focus Function - Position the projector lens perpendicular to the projection screen, rotate the focus dial, adjust until the image is clear, and then the image is in focus.Mini Portable Projector - Small size, easy to carry and store, convenient to use and good performance.Quality Guarantee - Made of high quality materials, strong and durable, it has a long service life.Specification:Item Type: ProjectorImage technology: LCDResolution: 480 x 272Throw Ratio: 1.65: 1Power supply adapter: 12V -2VProjection Size: Approx. 50.8 ~ 203.2 cm / 20 ~ 80 inchLED light sourceFocus: ManualProjection Distance: Approx. 0.5 ~ 2 meters / 1.6 ~ 6.6 feetScreen ratio: 16: 9Input interface: HDMI / USB / AVRemote control battery: 2 AAA batteries (not included)Size: Approx. 142 mm / 5.6 in.55 mm / 2.2 in.92 mm / 3.6 in.Package list:1 x Projector1 x remote control1 x User Manual1 x Adapter1 x AV CableNote:1. Please allow 1-3cm (0.4-1.18") difference due to manual measurement and slight color variation for different display setting.2. Due to the light and screen difference, the item's color may be slightly different from the pictures. Please understand.