Features: 1. R307 Optical Fingerprint Module integrates a fingerprint algorithm chip with functions such as fingerprint registration, image processing, feature extraction, template generation, template storage, fingerprint comparison (1:1), and fingerprint search (1:N). 2. The fingerprint scanner can undergo secondary development and can be embedded into various end products such as: access control, attendance recording, security safes, car locks. 3. Low power consumption, low cost, small size, excellent performance. 4. Professional optical technology, precise module manufacturing technology. 5. Good image processing capability, can successfully capture images up to 500 DPI resolution. 6. Fingerprint detection function. Specification: Supply Voltage: DC 4.2--6.0V Supply Current: Working Current: 50mA (typical) Peak Current: 75mA Fingerprint Image Registration Time: