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 voltage: DC 4.2--6.0V Supply current: Working current: 50mA (typical) Peak current: 75mA Fingerprint image entry time: