Product Features 1. Full decode function, breaking the IC card to encrypt the whole defense. 2. Automatic step less full frequency sweep, so that offset frequency card can not hide. 3. Built-in password database and upgrade procedures, has unlimited potential. 4. Supports writing encrypted IC cards Into most android NFC mobile phones. 5. HD 3.2 inch full color screen, clear display/voice prompts,the best user experience. 6. The computer & mobile phone supports Chinese and English operating software. 7. Use 4*AAA battery(not included in package), standard handheld device, easy to carry. 8. Has USB interface. 9. Supports front and rear dual induction area. (Front induction area only supports 13.56M IC cards) About the Device RFID products have so many types. Our device can match most of RFID cards, but different keys cards may have different reading or writing rules. If you are not good at RFID knowledge, please contact us for help. Our device have many functions, it is hard to teach you here, you can check the product pictures to learn the using methods, you can also contact us for the operation videos. About the accessories There is an OTG unit in the package, it is used to connect the reader with your smart phone, it’s just a sample, if you don’t like it, you can prepare a better one by yourself. We prepared 10pcs blue color dual-frequency (125KHz + 13.56MHz) rewritable cards for you, you can use them to copy your 125KHz or 13.56MHz cards.If you receive the reader with 5 blue keys and 5 white cards, then the 5 blue keys are used for copy 13.56MHz card, and 5 white cards can copy 125KHz card, means, if you can not write success, switch the copy card from white card to blue key. 【IMPORTANT NOTICE】This device can only work for access control keys cards, can not match any other fields induction cards, if you know nothing about access control knowledge, DO NOT place order. 【MATCH VARIOUS TYPES OF CARDS】 Support IC, MF1, S50, S70, ID, TK4100, EM4100, HID26, HID35, HID37, GID64, GID50, GID40, GID32, SID64, SID50, SID40, SID32, 125KHz, 175KHz,250KHz, 300KHz,375KHz, 500KHz, 625KHz, 750KHz, 875KHz, 1000KHz, 13.56 MHz, etc. 【POWERFUL DECODING SOFTWARE】 Our software can decode half encrypted and full encrypted IC card, all sectors data come out quickly and clearly. The software is saved inside of the device, when you connect the reader to your computer by our USB cable, you can find the software U disk, if not, just contact us for the software file. 【SMART PHONE APP】 Run the software App on your smart phone, use our OTG unit to connect the reader with your phone, then you can decode encrypted cards on your phone at anywhere, output the decoded data conveniently. You can scan the QR code from the paper card in the package to download APP to your smart phone. (Currently APP can only support Andr0id and Harmony OS system.) 【BEFORE PURCHASING】 You should know that copying RFID cards must under the same working frequency, and some types cards are not writable. This product is powerful enough, but it still cannot meet the reading and writing of every types of RFID cards. Please read product description carefully before purchasing. If you are not sure whether it meets your needs, please contact us before purchasing, thank you. Brand HENAXSAD Color Black Media Type 1000KHz, 125KHz, 13.56 MHz, 175KHz, 250KHz, 300KHz, 375KHz, 500KHz, 625KHz, 750KHz, 875KHz, EM4100, GID32, GID40, GID50, GID64, HID26, HID35, HID37, IC, ID, MF1, S50, S70, SID32, SID40, SID50, SID64, TK4100 Item Weight 8 ounces Manufacturer HENAXSAD Operating System Android, Harmony OS Compatible Devices Access Control Systems, Smartphones Hardware Interface USB Additional Features Portable Warranty Description 1 year Connectivity Technology USB Type A