1Small integrated card reader, used for shortdistance identification or backend ID management. Suitable for animal husbandry and pet management. 2Compatible for EMID, FXDA, FXDB, with 125Khz/134.2Khz working frequency. 3It can be directly connected to the for Android intelligent system platform through the Micro USB interface. 4Plug and play, it can be plugged and unplugged at will, without external power supply. Simple and convenient to use, stable and accurate reading. 5It can be connected the computer through the OTG conversion cable, and read the label serial number data in the computer's output software (such as: notepad/word/excel and other editors). Item Type: Animal Label ScannerMaterial: ABS Working Frequency Band: 125Khz/134.2Khz Applicable Card Type: for EMID, FXD-A, FXD-B Working Voltage: 5V Card Reading Distance: 0-3cm/0-1.2in Card Reading Speed: 0.2s Dimension: Approx. 35 x 35 x 8mm/1.4 x 1.4 x 0.3in (without interface) Communication Interface: Micro USB Working Temperature: -20-70 Working Current: 100mA Card Reading Time:1 x Animal Label Scanner1. For Android system requirements such as mobile phones: with OTG function 2. If the reading distance of the card reader is too long, it will cause the card reading to be unstable or fail. Avoid reading the card in a criticals state (the distance just to be able to read the card). At the same time, two adjacent card readers will also interfere with each other. 3. There are many factors that affect the card reading distance. Different protocols, different antenna designs, surrounding environments (mainly metal objects) and different cards will all affect the actual card reading distance. 4. The way of reading the card, it is recommended to use the card directly facing the card reader to approach it naturally. The card reading method that quickly swipes the card from the side is not advisable and does not guarantee the success of the card swipe. 5. No response when swiping the card: Whether the interface is inserted properly; whether the radio frequency card is the corresponding label; whether the radio frequency card is broken; whether another radio frequency card is in the card reading range.