Welcome to the store! Please note: The access control card reader cannot store user data, and cannot add or delete cards, passwords, or fingerprints directly. It is only a tool for reading cards or passwords for unlocking. It must work with standalone access control cards, fingerprint attendance machines, etc. Working Interface: Supports Wiegand interface, including 26/34/66BIT mode switching control function. High-performance decoding chip, can read 1D/2D QR codes, IC cards, CPU cards, and M1 cards. Made of high-quality ABS frame and acrylic panel material, the scanner is durable and not easily damaged. The scanner module can be used in various occasions such as elevators, visitor entry and exit management in the community, and so on. Perfect upgrade of traditional card swiping systems for various industries. Product Description: [Product Name]: QR Code Card Reader for Access Control [Product Material]: Acrylic panel, ABS material frame [Product Power Supply]: 5-12V power supply [Product Current]: 12V-50MA [Operating Temperature]: -10℃-50℃ [Support Card] 01. Supports algorithm encryption CPU cards, transaction distance equal to 3CM 02. Supports IC/M1 card recognition, transaction distance equal to 6CM 03. Supports national secret card recognition, transaction distance equal to 3CM Color: black+silver Material: ABS+acrylic Package Contents: 1 * QR Code 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 be slightly different from the real thing. The allowable 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 give you the best solution!