Our small and versatile device supports reading and managing a variety of RFID tags and cards. With this device, you can read and store RFID data for authorized use with compatible systems that require RFID authentication. It supports multiple RFID frequencies (125KHz/13.56MHz) and allows storage of up to 16 cards, with 2 per channel. This device is suitable for individuals working with RFID technology, including engineers, security professionals, and technology enthusiasts. Its compact and portable design allows for easy transport and use. Product appearance, color, and printed text may vary between batches, but these variations do not affect functionality. Color: Black Material: Plastic Package Contents: 1 x RFID Reader 5 x UID Keychain (Random color and appearance, no specific color or style guaranteed) 2 x Adapter (Random color and appearance, no specific color or style guaranteed) 1 x USB Cable (Random color, no specific color guaranteed) Only the items listed are included; other accessories are not included. Note: Lighting and display differences may cause slight variations in color between the product image and the actual item. Measurement may vary by +/- 1-3 cm.