DIGI INFO introduces the Lowest Price Biometric Fingerprint Time Attendance Machines- 
Combination of Biometric and Touch Keypad Technology. . The product experiences the strict degradation test before leaving factory ,high stability the main feature.
Features
High identifying speed and accurate attendance management
? Adopts excellent fingerprint algorithm ZKFinger VX9.0 and 32bits processor
? No more buddy punch
? Easy operation with Touch Keypad Technology
? The working duration of the touch keypad could be up to 100,000 hours
? Built-in USB port
? Enables data transfer when network is not available
? Multi authentications
? Standalone or IP based for different work mode
Technical Specification
· Sensor ? Optical Sensor
· User Capacity - 1500
· Transaction Storage - 50,000
· Algorithm version VX9.0
· Hardware platform-ZEM500
· Operating system - Linux
· Communications? RS232, RS485, TCP/IP , USB-Host
· Identification time =2S
· FAR? <=0.0001%
· FRR? <=1%
· LED - Red, Green
· LCD -128X64 black & white LCD
· Operating Temperature - 0?-45?
· Operating Humidity - 20%-80%
The book is worth reading.
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