R307 Optical Fingerprint Module Reader Sensor Access Control Attendance Recognition Device Features:  1. The R307 Optical Fingerprint Module integrates fingerprint algorithm chip with functions such as fingerprint entry, image processing, feature extraction, template generation, template storage, fingerprint comparison (1:1) and fingerprint search (1:N). 2. Fingerprint reader can conduct secondary development and can be embedded into various end products such as: access control, attendance, safety deposit box, car door locks. 3. Low power consumption, low cost, small size, excellent performance. 4. Professional optical technology, precise module manufacturing technic. 5. Good image processing capability, can successfully capture image up to resolution 500 DPI. 6. Fingerprint detection function.   Specification: Supply current:    Working current: 50mA (typical)    Peak current: 75mA Fingerprint image entry time: <0.1s Acquisition window area: 14*18 mm Matching method:    Comparison method (1:1)    Search method (1:N) Template file: 512 bytes Storage capacity: 1000 pieces Security level: 5 levels (low to high: 1, 2, 3, 4, 5) False acceptance rate (FAR): <0.0001% False Rejection Rate (FRR): <1.0% Search time: <0.2s Host computer interface: RS232 (TTL logic level), USB Communication baud rate: (9600xN)bps, N=1~12 (By default, N=6, baud rate = 57600bps) Working environment: -20~45℃, 10%-85% RH (no condensation) Storage environment: -40~55℃, <85% H (no condensation)   Package List: 1 x R307 Optical Fingerprint Module 1 x Cable Note: Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.