Features: _x000D_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). _x000D_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. _x000D_3. Low power consumption, low cost, small size, excellent performance. _x000D_4. Professional optical technology, precise module manufacturing technic. _x000D_5. Good image processing capability, can successfully capture image up to resolution 500 DPI. _x000D_6. Fingerprint detection function. _x000D_ _x000D_Specification: _x000D_Supply voltage: DC 4.2--6.0V _x000D_Supply current: _x000D_ Working current: 50mA (typical) _x000D_ Peak current: 75mA _x000D_Fingerprint image entry time: