1. Note: No software installation is required. You will need 2 AA batteries (not included) and a memory card (included) to use it straight away. Scanning mode: Hold down the Scan key for 2 seconds to turn on the device, and then press the Scan key. The scanner moves to scan the file until the green light automatically turns off (or press "Scan" to turn off the green light). The number displayed on the monitor plus 1 indicates that the scan is complete. 2. Portable scanner quickly scan images or pictures: Store JPEG/PDF files in seconds, quickly scan images or pictures, plug and play, without pre-loading any software. 3. Light and lightweight: It is directly stored in the Micro SD card and supports reading data on a computer or mobile phone through a USB connection. 2 AA batteries, compact design, easy to carry out. 4.3 Image resolution :3 resolution modes for you to choose :300dpi/600dpi/900dpi, you can save in the clearest way, pictures and documents display clearly. Feel free to choose your favorite resolution. File format :JPEG/PDF format, large storage capacity, fully meet your business or daily use needs. 5. Widely used: applicable to banks, insurance, real estate agencies, families, offices, libraries, outdoor and other places. Suitable for lawyers, businessmen, students, travellers and amateur archivists. Scan your important documents and save them immediately, without struggling to find a print shop, confidentially.