Welcome to the store! Uses a highly integrated read-write chip as the base station for radio frequency. Supports ISO14443 TYPE A standards, Mifare standard cards. MF0: Ultralight, Ultralight C, NTAG203, NTAG213; MF1: S50, S70, FM11RF08. The module integrates automatic card searching, reading, writing, and electronic wallet initialization. The user uses the command set to easily manage the card. Ultra-low static power consumption: less than or equal to 30 uA. Supports serial port protocol (UART TTL): serial bit data (8), parity bit (none), stop bit (1), baud rate can be set, default: 19200. Color: Green Material: Plastic The actual product may have a slight color difference or variation, which does not affect the use. Package Contents: 1 x RFID Reader Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture to differ slightly from the real one. The allowed measurement error is +/- 1-3 cm. Your satisfaction is our top priority. We will provide you with the best service. If you find any problems after receiving the product, such as damage, incorrect quantity, etc., please contact us immediately and we will provide you with the best solution!