Features: Three ways to recognize: face, fingerprint and password. Identification time less than 1s with high standard fuzzy identification. High precision total reflection optical fingerprint sensor. Adopting high speed 32 bit processor to high speed recognize and decrease error. Huge storage space: 500 face records, 1500 fingerprints and 100000 total records storage capacity. All voice prompts, easy operation. Suitable for office, factory, hotel, school, restaurant, retail store, hospital. No need to install extra software, the attendance machine can import and export information through the U disk, automatically generate reports. Specification: Condition: Brand New Material: ABS plastic Color: Black Mode: Software Free (U flash disk directly exports excel reports) Support Language: English Support Secondary Development: No Voice: Vocal pronunciation reminder Support Key Operation: Yes Collector: High Precision Toltal Reflection Optical Collector False Positive Rate:0.0001% Attendance Speed: Face -- 60ms/time Fingerprint -- 200ms/time Password -- 50ms/time Identification Type: Face/ Fingerprint/ Password Face Identification Algorithm Version: Smack Face V2.0 FAR/FRR: 0.001/1 (%) Face Recognition Mode: 1:1, 1:N Fingerprint Identification Algorithm Version: Smack Finger V3.0 FAR/FRR: 0.00001 / 0.1 (%) Fingerprint Recognition Mode: 1:1, 1:N Effective sensoring area: 20 * 18mm(360° recognition) Drop Resistance: Design to withstand free fall 3 times (less than 1.2m) Waterproof and Dustproof: Meet the IP54 Standard Working Temperature: 0-45℃ Storage Temperature: 0-50℃ Ambient Light Intensity: 0-1000LUX Power Supply: 5V / 2.5A Communication Interface: USB (drive free) Data Download: U flash disk U Flash Disk Format Supported: FAT32 Face Storage Quantity: 500 Fingerprint Storage Quantity: 1500 Total Attendance Record: 100,000 Records Camera: 2 (color & infrared) Infrared Light: Support (2 lights with lens) Fingerprint Capturing: optical sensor Display: 2.8 inch color screen Keyboard: 16 keys Clock RTC: Yes Product Size: Approx. 18.4 * 15 * 3.6cm/7.2 * 5.9 * 1.4in Package Size: Approx. 20.5 * 18 * 13cm/8.1 * 7.1 * 5.1in Package Weight: Approx. 703g/24.8oz Package List: 1 * Attendance Machine 1 * Power Adapter 1 * User Manual 1 * Bag of Screws Note: 1. Please allow 0-1 inch error due to manual measurement, thanks for your understanding. .