8 Slots 1356MHZ/125KHZ ChameleonU Contactless Smartcard Emulator Compliant to NFC Tool for RFID System Working frequency:125KHZ /13.56MHZ_x000D_ Battery:Lithium battery_x000D_ Power on:Automatic start and stop._x000D_ Communication mode:TypeC/USB/Bluetooth_x000D_ APP:Open source Nfc tool.Decoding mode: Read card or Detect device.Note:don't support clone card. Already implemented:_x000D_ 1. Click the A button to switch the card slot to the right. If the card slot is not enabled, it automatically skip and switch to one._x000D_ 2. Click the B button to switch the card slot to the left, and other features are the same as above._x000D_ 3. In the sleep state, press and hold the B button, insert the data cable, and then release the B button to enter the UPDATE mode._x000D_ Tip: When the color of the card slot is Red, the card slot is enabled with IC simulation + ID simulation at the same time.When the color of the card slot is Green, the card slot only enables IC card simulation,When the card slot color is Blue, only ID card simulation is enabled for this card slot._x000D_ Due to different product batches, the appearance of some accessories may be different, which not affect the use_x000D_ Colour:Black_x000D_ Material:Plastic Package Contents:_x000D_ 1x Smartcard Emulator kit Only the above package content, other products are not included._x000D_ 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. _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_