Upgraded Version Chameleon V2.0,with restart function, you can double-press two buttons to restart in case of battery failure. Our small and versatile device can clone and emulate a wide range of RFID tags and cards. With This Device, you can create copies of RFID tags and cards, which can be used to access secure areas or equipment that require RFID authentication. You can also emulate and stores different types(125KHZ/13.56MHZ) of RFID cards. This Device is a valuable tool for anyone working with RFID technology, whether you're an engineer, security professional, or just a curious hobbyist. And thanks to its compact and portable design, you can take it with you wherever you go! Colour:Black & Transparent Material:plastic Tips: The product may be updated constantly ,Due To Different Batches, The Actual Product May Have Slight Differences Or Color Differences, Which Does Not Affect Use Package Contents: 2 x RFID Reader 4 x Adapter(Random color and appearance, don't accept the specified color and appearance) 2 x USB Cable (Random color,don't accept the specified color) 4 x CUID Card(Random color and appearance, don't accept the specified color and appearance) 4 x UID Card(Random color and appearance, don't accept the specified color and appearance)