General description This upgraded Chameleon Ultra Smart Card Emulator RFID Chip Reader features dual functions: a restart version function and an automatic patrol function. The restart function allows users to double-press two buttons to restart the device in case of battery failure. The automatic patrol function enables the device to recognize and open doors automatically when access control data is written into it. This compact and versatile device can clone and emulate a wide range of RFID tags and cards, making it a valuable tool for security professionals and hobbyists alike. Technical specifications Frequency: 125KHZ/13.56MHZ Color: Black & Transparent Material: Plastic Measurement allowed error: +/- 1-3cm Package contents 1 x RFID Reader 5 x UID Keychain (random color and appearance) 2 x Adapter (random color and appearance) 1 x USB Cable (random colors) 1 x Lanyard Other information Due to different batches, there may be differences in product appearance, color, and printed