Specifications Hign-concerned Chemical:None Origin:Mainland China Welcome to our store. Our products have affordable prices and good quality. We support dropshipping and wholesale. If you want to work with us for a long time, please contact us and we will give you a very favorable price.Best Regards! [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, [STANDALONE NFC SIMULATION FUNCTION] Our device can let mobile phones, bracelets and other devices with NFC function simulate encrypted IC cards, such as hotel cards, door cards, elevator cards, and easily achieve the card-free life. [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. (Currently APP can only support Andr0id and Harmony OS system.) [BEFORE PURCHASING] You should know that copying 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 cards. Colour:As Shown Material:metal+plastic Package Contents: 1 set x 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.