Fly flapper is an innovative RFID (radio frequency identification device). Compared to a traditional RFID, Fly flapper can quick scan maximum 200 pieces at a long distance and store 55,000 at once. Even if it is out of battery, the scanned information can be saved automatically. It is very small and light, easy to hold and convenient to use. It can connect with mobile through Bluetooth, in order to efficiently transfer the scanned information.