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. Note: 1. Please allow 1-3 mm error due to manual measurement and 1-3g weight error make sure you don't mind before ordering. 2. Due to the lighting of the photos and the difference of monitors, the pictures may not reflect the actual color of the real item. Please make sure you don't mind before ordering, thank you! About Shipping: 1.please pay attention to your delivery address such as: name, street, house number, doorbell/email without name, etc. is correct, or the order will not be delivered correctly. 2.All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances. 3.During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 24 hours Hope you have a pleasant shopping experience!