1、With a projection ratio of 1.65:1, a small room can also project a large screen, and the screen size can be easily adjusted according to the size of the wall at home. 2、With rich interfaces, can read USB flash drives, mobile hard drives, AV connected to DVD, set‑top boxes, HDMI interfaces can be connected to computers. 3、Put the projector lens perpendicular to the projection screen, turn the focus dial, adjust until the image is clear, and then the image is focused. 4、Small size, easy to carry and store, convenient to use and with good performance. 5、Made of high-quality materials, strong and durable, has a long service life. Item Type: Projector Imaging Technology: LCD Resolution: 480 x 272 Projection Ratio: 1.65: 1 Power Supply Adapter: 12V-2V Projection Size: Approx. 50.8 ~ 203.2cm / 20 ~ 80in Light source LED Focus: Manual Projection Distance: Approx. 0.5 ~ 2meter / 1.6 ~ 6.6ft Screen Ratio: 16: 9 Input Interface: HDMI/USB/AV Remote Control Battery: 2 x AAA batteries (not included)Size: Approx. 142mm / 5.6in 55mm / 2.2in 92mm / 3.6in 1 x Projector 1 x Remote Control 1 x User Manual 1 x Adapter 1 x AV Cable