Friendly reminder: This fingerprint recognition module is not for direct use; it requires microcontroller development. Using this product requires familiarity with microcontrollers and software development skills. Parameters: Image pixels: 208*80 Resolution (dpi): 508 Sensor abrasion resistance: >200,000 times Storage capacity: 100 fingerprints Matching method: 1:1, 1:N Self-learning present: Yes Fingerprint image acquisition time: <180ms Algorithm search time: <100ms (50 fingerprints) Overall recognition time: <0.6s (50 fingerprints) Startup time: <50ms False acceptance rate (FAR): <0.001% False rejection rate (FRR): <1% Communication interface: UART (3.3V) Communication baud rate (UART): 57600 (default) Power supply voltage: 3.3±0.3(V) Maximum current: <40(mA) /VDD *Shutdown current: <12(uA)/ VADD Operating Temperature: -30°C to 70°C Storage Temperature: -40°C to 85°C Relative Humidity: 20% to 85% (non-condensing) ESD Resistance: Contact discharge ±8KV, non-contact discharge ±15KV Operating Vibrate: 10-150HZ, 0.5G, 3 axial, 1min/oct, 1 cycle/axial Drop Test: Withstands a 1.2-meter drop onto a concrete surface Color: Black Material: PCB+Plastic Package Contents: 1 * Capacitive Fingerprint Recognition Module 1 * Cable Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.