Supports computers, Android phone and for phone.This is not a universal card, you must have the original card to copy!CPU cards cannot be copied, room cards, financial cards, and recharge cards cannot be copied!!! Card decoding function: copy ordinary semi-encrypted access control elevator cards without network;Detection function: can only solve SAK08 cards, SAK08 cards can solve Card writing function: support writing UID cards, CUID cards, FUID cards;Support writing mobile phone bracelet simulation cards: support writing ID5577 cards 8 pairs of 1C cards (or game cards) and 125KID cards If the data contains rolling codes, don't copy it, otherwise the original card be invalid.The official software only supports writing UID cards for the time being. Third- free software supports writing CUID cards, writing mobile phone simulation cards, and ID 5577 cards. Software installation: Download the program: https://.camelote.cn/nfcreader/en/nfcreader.html Official software For phone: Search "chameleon ultra gui" in Android phone and computer WIN10 go to the official website to download. Open source website: https://github.com/RfidResearchGroup/ChameleonULtra Third- software: 1, BLE (Advantages: read and write ID 5577 cards, write CUID cards, write mobile bracelet simulation cards) 2,Web version https://ultra.nfctool.cn Tutorial: https://nfctool.cn/detectwithultra Computers and Android phones use Edge browser. phones use Bluefy browser. Indicator light: Red light indicates dual-band card, green light indicates IC card, blue light indicates ID card Colour: & transparent Material:PC Adapter color/style is random,don't accept the specified color; data cable color is random, don't accept the specified color Package Contents: 1 x Smart Chip Reader 1 x USB cable 2 x Adapter1 x UID keychain 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.