The FingerTec R3 is a biometric door access and time attendance terminal that utilizes fingerprint, password, and optional card verification. It features a 2.4" color LCD, intuitive touch-panel, and comes bundled with Ingress software for access control, providing comprehensive time attendance features without additional charges. 

Here's a more detailed look at the R3's specifications:

Key Features:

• Verification Methods: Fingerprint (1:1, 1:N), card, and password.
• Fingerprint Algorithm: BioBridge VX 10.0.
• Scanner: Non-coated optical scanner.
• Display: 2.4" color LCD.
• Connectivity: TCP/IP, RS232, RS485, and USB.
• Memory: 256 MB flash memory and 32 MB SDRAM.
• Capacity: 3000 fingerprint templates, 10000 cards, and 100000 transactions.
• Dimensions: 78mm x 32mm x 190mm.
• Algorithm Version: Ensure it's VX10.0 (accessible through Menu > System Info > Device > Alg Version), according to the FingerTec Technical Blog.
• Power: DC 12V 3A.
• Operating Temperature: 0~45°C.
• Operating Humidity: 20~80%. 

Additional Information:

• The R3 is designed for both access control and time attendance. 
• It can be used as a master terminal or a slave terminal, according to the FingerTec Technical Blog. 
• Ingress software allows for remote data management and access control system settings. 
• The R3 supports anti-passback functionality for enhanced security. 
• It is compatible with external alarms for emergencies. 
• The device also offers features like TimeZone, GroupTimeZone, and Group Verify for enhanced security.