Upgraded Version Chameleon Ultra,with restart function, you can double-press two buttons to restart in case of battery failure. function of automatic polling, if the customer writes the access control into the device, the device can automatically recognize and open the door. 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! Chameleon Ultra Plus (upgraded and enhanced version) Front: Copy IC Card Back: Copy ID Card Please distinguish between IC/ID cards.insert the card first, then press the read button on the software. Upgraded dual functions: Restart Version Function + Automatic Polling Function. Due to different batches, there may be differences in product appearance, color, and printed text, which will not affect the use. Color:Black Material:plastic Package Contents: 1 x RFID Reader 2 x Adapter(Random color and appearance, cannot be specified) 1 x USB Cable (Random color, cannot be specified) 1 x Lanyard 4 x UID Keychain (Random color, cannot be specified) 4 x CUID Keychain (Random color, cannot be specified)