This is a fingerprint access controller with time attendance function. If you want to use it as a attendance machine only, you should add a DC12V power supply or power adapter to power on this device. Product Features: 1) 1.8 inch TFT screen, with operation menu, easy to operate. 2) Strictly follow the national security product standard. 3) Adopting the Energy-saving fingerprint sensor and power management function, makes the product perfect. 4) 3 methods to identify: Fingerprint , Password, RFID card. 5) Support USB Flash drive upload/download. 6) Humanized language indication reminder. 7) Suitable for the entrances and exits of office, factory, hotel, school, etc. 8) T9 input method editors, on the machine name, Department, frequency and other information, can be directly output attendance reports, user operation is simple. 9) Support English and Chinese language. 10) Has Wiegand 26/34 input/output signal, relay output, door bell button. 11) Support tamper alarm. 12) Can be used as a standalone fingerprint time attendance machine and standalone access control keypad. Specifications: Model: F30-S Display screen: 1.8 inch TFT LCD color screen Fingerprint collector: High-precision anti-dry and wet back optical collector Fingerprint capacity: 1000 Password capacity: 1000 125KHz RFID Card capacity: 1000 Record capacity: 100,000 articles Communication method: U-Disk Verification method: Fingerprint, password, RFID card U disk upload / download data: Support Record the query function: Yes Identify the angle: Full angle recognition Identify speed: 1second Rejection rate (FRR): 0.1% Recognition rate (FAR): 0.0001% Way of working: Offline Language display: Chinese, English Voice prompts: High-definition human voice Dimension: 909028mm Package List: 1x Fingerprint machine 1x Screws & wires 1x User Manual 10x RFID Keyfobs