Product description: With the projection screen, you can watch presentations, sports games, movies or TV shows almost anywhere. It can be easily hung on the wall without causing any burden in the office or living room. Applies to almost all situations. Whether it is daily use at home or in the office, screenings in large conference rooms, comfortable movie nights, desktop presentations for external appointments-are your ideal projection screens. Specification: Product name: Projection screen Screen type: Wall-mounted screen Material: White glass fiber Ratio: 4:3/16:9 Wide angle: 178° Gain multiple: 2.3 Size: 60/72/84/100 inch Back: black, opaque Package: 1×projection screen Note: 1. If necessary, the screen can be simply rolled up and placed for storage or transportation. 2. Using manual measurement method, the size may have an error of 1-3 cm, which is normal. 3. Due to factors such as shooting light and display, some chromatic aberration problems will inevitably occur. Please refer to the actual product received.