Usage Tips:Our software can decode half encrypted and full encrypted IC card, all sectors data come out quickly and clearly. Our device can let mobile phones, bracelets and other devices with NFC function encrypted IC cards, such as hotel cards, door cards, elevator cards, and easily achieve the card-free life. 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. 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. You should know that copying RFID cards must under the same working frequency, and some types cards are not writable. 1.Full decode function, breaking the IC card to encrypt the whole . 2.Automatic step less full frequency sweep, so that offset frequency card can not hide. 3.Built-in password database and upgrade procedures, has . 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, 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 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 rewritable key fobs and cards , 5 blue fobs are used to copy 13.56MHz cards, such as IC cards. And 5 White cards are used to copy 125KHz ID cards. You must choose the right keys or cards for copy, otherwise it would write failure Colour:black Material:plastic+metal Package Contents: 1 set x rfid reader writer 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 a little different from the real thing. The measurement allowed error is +/- 1-3cm.