Features: Excellent work, using industrial grade chips, stable operation The recognition time is less than 1 second using improved fingerprint recognition technology. High-precision, total-reflection optical fingerprint sensor for easy operation and autonomous control. A large-capacity smart chip that can hold 1000 faces and 300,000 records. 2.8-inch high-definition color screen, intelligent voice broadcast, clear and more comfortable. Specifications: Condition: Brand New Color: Shown as Picture Material: ABS Plastics Optional Plug: EU Plug, US Plug, UK Plug, AU Plug Display: 2.8-inch TFT (320 * 240) Recognition Method: Face, Fingerprint, Password Maximum User Capacity: 5,000 Face Capacity: 1000 Fingerprint Capacity: 5,000 Password Capacity: 5,000 Trading Capacity: 300,000 Language: Chinese / English Fingerprint Sensor: Optical Sensor Algorithm Version: REALAND 3500A Communication: TCP / IP, USB Flash U Disk: Support Ringing Function: Built-in Timing Bell (predetermined bell) Face Algorithm: Realand Face M60 Fingerprint Algorithm: Realand Finger V3.0 Power Management: Sleep Mode Power Supply: DC 12V / 1A Working Temperature: 0 ° C ~ + 45 ° C Humidity: 20%-80% Package List: 1 * Fingerprint Attendance Machine 1 * Power Supply 1 * Hanging Board 1 * Bag Screw 1 * CD 1 * Positioning Paper 1 * Scale 1、Excellent work, using industrial grade chips, stable operation 2、The recognition time is less than 1 second using improved fingerprint recognition technology. 3、High-precision, total-reflection optical fingerprint sensor for easy operation and autonomous control. 4、A large-capacity smart chip that can hold 1000 faces and 300,000 records. 5、2.8-inch high-definition color screen, intelligent voice broadcast, clear and more comfortable.