Circular Capacitive Fingerprint Identification Module with 2-Color Ring Indicator Light      Feature:   1. Built-in algorithm chip, circular acquisition chip, using a 192x192 sensor, it can store 500 fingerprint.   2. Integrated image collection and algorithm chip together, it has professional performance.   3. High recognition rate, flexible for using, it can adapt to dry fingers, wet fingers, light texture fingerprints fingers, and old fingers.   4. Wide application areas, can be embedded in a variety of final products, such as: access control, assistance, safety box.   5. Simple installation, no need complicated tools, convenient for using.   Specification:   Condition: 100% Brand New   Item Type: Fingerprint Identification Module   Material: Metal   Color: As picture shown   Power Supply Voltage: DC 3.3V   Operating Current: 30mA (Typical Value)   Current: 40mA   Fingerprint Image Entry Time: <; 0.3 Seconds   Acquisition Window Area: Diameter: 15mm/0.6in   Image : 192x192   Image Resolution: 508dpi   Matching Mode:   Comparison Method: 1:1   Search Mode: 1:N   Storage Capacity: 500pcs   Safety Level: Level 5 (from Low to High: 1, 2, 3, 4, 5)   FAR: <; 0.0001%   FRR: <; 1.0%   Search Time: <; 0.3 S (While 1:1000, Mean Valve)   Upper Interface: RS232 (TTL Logic Level, 3.3v)   Communication Baud Rate: (9600 × N) bps, N=1-12 (default Value N=6, 57600bps)   Working Environment:   The Temperature: - 20 - + 45    Relative Humidity: 10%RH-85%RH (No Condensation)